31032225

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:120

約数の個数: 144

約数和(自身を含む): 71959680

約数和(自身を除く): 40927455

約数列:

[1, 3, 5, 7, 9, 15, 17, 19, 21, 25, 35, 45, 51, 57, 61, 63, 75, 85, 95, 105, 119, 133, 153, 171, 175, 183, 225, 255, 285, 305, 315, 323, 357, 399, 425, 427, 475, 525, 549, 595, 665, 765, 855, 915, 969, 1037, 1071, 1159, 1197, 1275, 1281, 1425, 1525, 1575, 1615, 1785, 1995, 2135, 2261, 2745, 2907, 2975, 3111, 3325, 3477, 3825, 3843, 4275, 4575, 4845, 5185, 5355, 5795, 5985, 6405, 6783, 7259, 8075, 8113, 8925, 9333, 9975, 10431, 10675, 11305, 13725, 14535, 15555, 17385, 19215, 19703, 20349, 21777, 24225, 24339, 25925, 26775, 28975, 29925, 32025, 33915, 36295, 40565, 46665, 52155, 56525, 59109, 65331, 72675, 73017, 77775, 86925, 96075, 98515, 101745, 108885, 121695, 137921, 169575, 177327, 181475, 202825, 233325, 260775, 295545, 326655, 365085, 413763, 492575, 508725, 544425, 608475, 689605, 886635, 1241289, 1477725, 1633275, 1825425, 2068815, 3448025, 4433175, 6206445, 10344075, 31032225]

約数ペア:

[(1, 31032225), (3, 10344075), (5, 6206445), (7, 4433175), (9, 3448025), (15, 2068815), (17, 1825425), (19, 1633275), (21, 1477725), (25, 1241289), (35, 886635), (45, 689605), (51, 608475), (57, 544425), (61, 508725), (63, 492575), (75, 413763), (85, 365085), (95, 326655), (105, 295545), (119, 260775), (133, 233325), (153, 202825), (171, 181475), (175, 177327), (183, 169575), (225, 137921), (255, 121695), (285, 108885), (305, 101745), (315, 98515), (323, 96075), (357, 86925), (399, 77775), (425, 73017), (427, 72675), (475, 65331), (525, 59109), (549, 56525), (595, 52155), (665, 46665), (765, 40565), (855, 36295), (915, 33915), (969, 32025), (1037, 29925), (1071, 28975), (1159, 26775), (1197, 25925), (1275, 24339), (1281, 24225), (1425, 21777), (1525, 20349), (1575, 19703), (1615, 19215), (1785, 17385), (1995, 15555), (2135, 14535), (2261, 13725), (2745, 11305), (2907, 10675), (2975, 10431), (3111, 9975), (3325, 9333), (3477, 8925), (3825, 8113), (3843, 8075), (4275, 7259), (4575, 6783), (4845, 6405), (5185, 5985), (5355, 5795)]