2563875

素因数分解:

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

素因数の和:117

約数の個数: 48

約数和(自身を含む): 4818528

約数和(自身を除く): 2254653

約数列:

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

約数ペア:

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