31785885

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 61171200

約数和(自身を除く): 29385315

約数列:

[1, 3, 5, 9, 15, 23, 27, 29, 45, 69, 87, 115, 135, 145, 207, 261, 345, 353, 435, 621, 667, 783, 1035, 1059, 1305, 1765, 2001, 3105, 3177, 3335, 3915, 5295, 6003, 8119, 9531, 10005, 10237, 15885, 18009, 24357, 30015, 30711, 40595, 47655, 51185, 73071, 90045, 92133, 121785, 153555, 219213, 235451, 276399, 365355, 460665, 706353, 1096065, 1177255, 1381995, 2119059, 3531765, 6357177, 10595295, 31785885]

約数ペア:

[(1, 31785885), (3, 10595295), (5, 6357177), (9, 3531765), (15, 2119059), (23, 1381995), (27, 1177255), (29, 1096065), (45, 706353), (69, 460665), (87, 365355), (115, 276399), (135, 235451), (145, 219213), (207, 153555), (261, 121785), (345, 92133), (353, 90045), (435, 73071), (621, 51185), (667, 47655), (783, 40595), (1035, 30711), (1059, 30015), (1305, 24357), (1765, 18009), (2001, 15885), (3105, 10237), (3177, 10005), (3335, 9531), (3915, 8119), (5295, 6003)]