31170405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12907}}^1$

素因数の和:12945

約数の個数: 32

約数和(自身を含む): 59480064

約数和(自身を除く): 28309659

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 12907, 38721, 64535, 90349, 193605, 271047, 296861, 451745, 890583, 1355235, 1484305, 2078027, 4452915, 6234081, 10390135, 31170405]

約数ペア:

[(1, 31170405), (3, 10390135), (5, 6234081), (7, 4452915), (15, 2078027), (21, 1484305), (23, 1355235), (35, 890583), (69, 451745), (105, 296861), (115, 271047), (161, 193605), (345, 90349), (483, 64535), (805, 38721), (2415, 12907)]