31621125

素因数分解:

$3^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:151

約数の個数: 64

約数和(自身を含む): 56339712

約数和(自身を除く): 24718587

約数列:

[1, 3, 5, 15, 25, 37, 43, 53, 75, 111, 125, 129, 159, 185, 215, 265, 375, 555, 645, 795, 925, 1075, 1325, 1591, 1961, 2279, 2775, 3225, 3975, 4625, 4773, 5375, 5883, 6625, 6837, 7955, 9805, 11395, 13875, 16125, 19875, 23865, 29415, 34185, 39775, 49025, 56975, 84323, 119325, 147075, 170925, 198875, 245125, 252969, 284875, 421615, 596625, 735375, 854625, 1264845, 2108075, 6324225, 10540375, 31621125]

約数ペア:

[(1, 31621125), (3, 10540375), (5, 6324225), (15, 2108075), (25, 1264845), (37, 854625), (43, 735375), (53, 596625), (75, 421615), (111, 284875), (125, 252969), (129, 245125), (159, 198875), (185, 170925), (215, 147075), (265, 119325), (375, 84323), (555, 56975), (645, 49025), (795, 39775), (925, 34185), (1075, 29415), (1325, 23865), (1591, 19875), (1961, 16125), (2279, 13875), (2775, 11395), (3225, 9805), (3975, 7955), (4625, 6837), (4773, 6625), (5375, 5883)]