31690665

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 58301568

約数和(自身を除く): 26610903

約数列:

[1, 3, 5, 9, 15, 23, 45, 67, 69, 115, 201, 207, 335, 345, 457, 603, 1005, 1035, 1371, 1541, 2285, 3015, 4113, 4623, 6855, 7705, 10511, 13869, 20565, 23115, 30619, 31533, 52555, 69345, 91857, 94599, 153095, 157665, 275571, 459285, 472995, 704237, 1377855, 2112711, 3521185, 6338133, 10563555, 31690665]

約数ペア:

[(1, 31690665), (3, 10563555), (5, 6338133), (9, 3521185), (15, 2112711), (23, 1377855), (45, 704237), (67, 472995), (69, 459285), (115, 275571), (201, 157665), (207, 153095), (335, 94599), (345, 91857), (457, 69345), (603, 52555), (1005, 31533), (1035, 30619), (1371, 23115), (1541, 20565), (2285, 13869), (3015, 10511), (4113, 7705), (4623, 6855)]