28997325

素因数分解:

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

素因数の和:81

約数の個数: 144

約数和(自身を含む): 68031360

約数和(自身を除く): 39034035

約数列:

[1, 3, 5, 7, 9, 15, 17, 19, 21, 25, 27, 35, 45, 51, 57, 63, 75, 85, 95, 105, 119, 133, 135, 153, 171, 175, 189, 225, 255, 285, 315, 323, 357, 361, 399, 425, 459, 475, 513, 525, 595, 665, 675, 765, 855, 945, 969, 1071, 1083, 1197, 1275, 1425, 1575, 1615, 1785, 1805, 1995, 2261, 2295, 2527, 2565, 2907, 2975, 3213, 3249, 3325, 3591, 3825, 4275, 4725, 4845, 5355, 5415, 5985, 6137, 6783, 7581, 8075, 8721, 8925, 9025, 9747, 9975, 11305, 11475, 12635, 12825, 14535, 16065, 16245, 17955, 18411, 20349, 22743, 24225, 26775, 27075, 29925, 30685, 33915, 37905, 42959, 43605, 48735, 55233, 56525, 61047, 63175, 68229, 72675, 80325, 81225, 89775, 92055, 101745, 113715, 128877, 153425, 165699, 169575, 189525, 214795, 218025, 243675, 276165, 305235, 341145, 386631, 460275, 508725, 568575, 644385, 828495, 1073975, 1159893, 1380825, 1526175, 1705725, 1933155, 3221925, 4142475, 5799465, 9665775, 28997325]

約数ペア:

[(1, 28997325), (3, 9665775), (5, 5799465), (7, 4142475), (9, 3221925), (15, 1933155), (17, 1705725), (19, 1526175), (21, 1380825), (25, 1159893), (27, 1073975), (35, 828495), (45, 644385), (51, 568575), (57, 508725), (63, 460275), (75, 386631), (85, 341145), (95, 305235), (105, 276165), (119, 243675), (133, 218025), (135, 214795), (153, 189525), (171, 169575), (175, 165699), (189, 153425), (225, 128877), (255, 113715), (285, 101745), (315, 92055), (323, 89775), (357, 81225), (361, 80325), (399, 72675), (425, 68229), (459, 63175), (475, 61047), (513, 56525), (525, 55233), (595, 48735), (665, 43605), (675, 42959), (765, 37905), (855, 33915), (945, 30685), (969, 29925), (1071, 27075), (1083, 26775), (1197, 24225), (1275, 22743), (1425, 20349), (1575, 18411), (1615, 17955), (1785, 16245), (1805, 16065), (1995, 14535), (2261, 12825), (2295, 12635), (2527, 11475), (2565, 11305), (2907, 9975), (2975, 9747), (3213, 9025), (3249, 8925), (3325, 8721), (3591, 8075), (3825, 7581), (4275, 6783), (4725, 6137), (4845, 5985), (5355, 5415)]