400645395

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{12487}}^1$

素因数の和:12552

約数の個数: 48

約数和(自身を含む): 748081152

約数和(自身を除く): 347435757

約数列:

[1, 3, 5, 9, 15, 23, 31, 45, 69, 93, 115, 155, 207, 279, 345, 465, 713, 1035, 1395, 2139, 3565, 6417, 10695, 12487, 32085, 37461, 62435, 112383, 187305, 287201, 387097, 561915, 861603, 1161291, 1436005, 1935485, 2584809, 3483873, 4308015, 5806455, 8903231, 12924045, 17419365, 26709693, 44516155, 80129079, 133548465, 400645395]

約数ペア:

[(1, 400645395), (3, 133548465), (5, 80129079), (9, 44516155), (15, 26709693), (23, 17419365), (31, 12924045), (45, 8903231), (69, 5806455), (93, 4308015), (115, 3483873), (155, 2584809), (207, 1935485), (279, 1436005), (345, 1161291), (465, 861603), (713, 561915), (1035, 387097), (1395, 287201), (2139, 187305), (3565, 112383), (6417, 62435), (10695, 37461), (12487, 32085)]