66642975

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 153204480

約数和(自身を除く): 86561505

約数列:

[1, 3, 5, 7, 9, 15, 17, 19, 21, 25, 35, 45, 51, 57, 63, 75, 85, 95, 105, 119, 131, 133, 153, 171, 175, 225, 255, 285, 315, 323, 357, 393, 399, 425, 475, 525, 595, 655, 665, 765, 855, 917, 969, 1071, 1179, 1197, 1275, 1425, 1575, 1615, 1785, 1965, 1995, 2227, 2261, 2489, 2751, 2907, 2975, 3275, 3325, 3825, 4275, 4585, 4845, 5355, 5895, 5985, 6681, 6783, 7467, 8075, 8253, 8925, 9825, 9975, 11135, 11305, 12445, 13755, 14535, 15589, 17423, 20043, 20349, 22401, 22925, 24225, 26775, 29475, 29925, 33405, 33915, 37335, 41265, 42313, 46767, 52269, 55675, 56525, 62225, 68775, 72675, 77945, 87115, 100215, 101745, 112005, 126939, 140301, 156807, 167025, 169575, 186675, 206325, 211565, 233835, 261345, 296191, 380817, 389725, 435575, 501075, 508725, 560025, 634695, 701505, 784035, 888573, 1057825, 1169175, 1306725, 1480955, 1904085, 2665719, 3173475, 3507525, 3920175, 4442865, 7404775, 9520425, 13328595, 22214325, 66642975]

約数ペア:

[(1, 66642975), (3, 22214325), (5, 13328595), (7, 9520425), (9, 7404775), (15, 4442865), (17, 3920175), (19, 3507525), (21, 3173475), (25, 2665719), (35, 1904085), (45, 1480955), (51, 1306725), (57, 1169175), (63, 1057825), (75, 888573), (85, 784035), (95, 701505), (105, 634695), (119, 560025), (131, 508725), (133, 501075), (153, 435575), (171, 389725), (175, 380817), (225, 296191), (255, 261345), (285, 233835), (315, 211565), (323, 206325), (357, 186675), (393, 169575), (399, 167025), (425, 156807), (475, 140301), (525, 126939), (595, 112005), (655, 101745), (665, 100215), (765, 87115), (855, 77945), (917, 72675), (969, 68775), (1071, 62225), (1179, 56525), (1197, 55675), (1275, 52269), (1425, 46767), (1575, 42313), (1615, 41265), (1785, 37335), (1965, 33915), (1995, 33405), (2227, 29925), (2261, 29475), (2489, 26775), (2751, 24225), (2907, 22925), (2975, 22401), (3275, 20349), (3325, 20043), (3825, 17423), (4275, 15589), (4585, 14535), (4845, 13755), (5355, 12445), (5895, 11305), (5985, 11135), (6681, 9975), (6783, 9825), (7467, 8925), (8075, 8253)]