31668825

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 55282176

約数和(自身を除く): 23613351

約数列:

[1, 3, 5, 15, 25, 31, 53, 75, 93, 155, 159, 257, 265, 465, 771, 775, 795, 1285, 1325, 1643, 2325, 3855, 3975, 4929, 6425, 7967, 8215, 13621, 19275, 23901, 24645, 39835, 40863, 41075, 68105, 119505, 123225, 199175, 204315, 340525, 422251, 597525, 1021575, 1266753, 2111255, 6333765, 10556275, 31668825]

約数ペア:

[(1, 31668825), (3, 10556275), (5, 6333765), (15, 2111255), (25, 1266753), (31, 1021575), (53, 597525), (75, 422251), (93, 340525), (155, 204315), (159, 199175), (257, 123225), (265, 119505), (465, 68105), (771, 41075), (775, 40863), (795, 39835), (1285, 24645), (1325, 23901), (1643, 19275), (2325, 13621), (3855, 8215), (3975, 7967), (4929, 6425)]