38458125

素因数分解:

$3^3\times 5^4\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:125

約数の個数: 80

約数和(自身を含む): 74226240

約数和(自身を除く): 35768115

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 53, 75, 125, 129, 135, 159, 215, 225, 265, 375, 387, 477, 625, 645, 675, 795, 1075, 1125, 1161, 1325, 1431, 1875, 1935, 2279, 2385, 3225, 3375, 3975, 5375, 5625, 5805, 6625, 6837, 7155, 9675, 11395, 11925, 16125, 16875, 19875, 20511, 26875, 29025, 33125, 34185, 35775, 48375, 56975, 59625, 61533, 80625, 99375, 102555, 145125, 170925, 178875, 241875, 284875, 298125, 307665, 512775, 725625, 854625, 894375, 1424375, 1538325, 2563875, 4273125, 7691625, 12819375, 38458125]

約数ペア:

[(1, 38458125), (3, 12819375), (5, 7691625), (9, 4273125), (15, 2563875), (25, 1538325), (27, 1424375), (43, 894375), (45, 854625), (53, 725625), (75, 512775), (125, 307665), (129, 298125), (135, 284875), (159, 241875), (215, 178875), (225, 170925), (265, 145125), (375, 102555), (387, 99375), (477, 80625), (625, 61533), (645, 59625), (675, 56975), (795, 48375), (1075, 35775), (1125, 34185), (1161, 33125), (1325, 29025), (1431, 26875), (1875, 20511), (1935, 19875), (2279, 16875), (2385, 16125), (3225, 11925), (3375, 11395), (3975, 9675), (5375, 7155), (5625, 6837), (5805, 6625)]