31055175

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:409

約数の個数: 72

約数和(自身を含む): 61629984

約数和(自身を除く): 30574809

約数列:

[1, 3, 5, 9, 15, 17, 23, 25, 45, 51, 69, 75, 85, 115, 153, 207, 225, 255, 345, 353, 391, 425, 575, 765, 1035, 1059, 1173, 1275, 1725, 1765, 1955, 3177, 3519, 3825, 5175, 5295, 5865, 6001, 8119, 8825, 9775, 15885, 17595, 18003, 24357, 26475, 29325, 30005, 40595, 54009, 73071, 79425, 87975, 90015, 121785, 138023, 150025, 202975, 270045, 365355, 414069, 450075, 608925, 690115, 1242207, 1350225, 1826775, 2070345, 3450575, 6211035, 10351725, 31055175]

約数ペア:

[(1, 31055175), (3, 10351725), (5, 6211035), (9, 3450575), (15, 2070345), (17, 1826775), (23, 1350225), (25, 1242207), (45, 690115), (51, 608925), (69, 450075), (75, 414069), (85, 365355), (115, 270045), (153, 202975), (207, 150025), (225, 138023), (255, 121785), (345, 90015), (353, 87975), (391, 79425), (425, 73071), (575, 54009), (765, 40595), (1035, 30005), (1059, 29325), (1173, 26475), (1275, 24357), (1725, 18003), (1765, 17595), (1955, 15885), (3177, 9775), (3519, 8825), (3825, 8119), (5175, 6001), (5295, 5865)]