12819375

素因数分解:

$3^2\times 5^4\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:122

約数の個数: 60

約数和(自身を含む): 24123528

約数和(自身を除く): 11304153

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 53, 75, 125, 129, 159, 215, 225, 265, 375, 387, 477, 625, 645, 795, 1075, 1125, 1325, 1875, 1935, 2279, 2385, 3225, 3975, 5375, 5625, 6625, 6837, 9675, 11395, 11925, 16125, 19875, 20511, 26875, 33125, 34185, 48375, 56975, 59625, 80625, 99375, 102555, 170925, 241875, 284875, 298125, 512775, 854625, 1424375, 2563875, 4273125, 12819375]

約数ペア:

[(1, 12819375), (3, 4273125), (5, 2563875), (9, 1424375), (15, 854625), (25, 512775), (43, 298125), (45, 284875), (53, 241875), (75, 170925), (125, 102555), (129, 99375), (159, 80625), (215, 59625), (225, 56975), (265, 48375), (375, 34185), (387, 33125), (477, 26875), (625, 20511), (645, 19875), (795, 16125), (1075, 11925), (1125, 11395), (1325, 9675), (1875, 6837), (1935, 6625), (2279, 5625), (2385, 5375), (3225, 3975)]