21461625

素因数分解:

$3^3\times 5^3\times {\mathrm{6359}}^1$

素因数の和:6383

約数の個数: 32

約数和(自身を含む): 39686400

約数和(自身を除く): 18224775

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 675, 1125, 3375, 6359, 19077, 31795, 57231, 95385, 158975, 171693, 286155, 476925, 794875, 858465, 1430775, 2384625, 4292325, 7153875, 21461625]

約数ペア:

[(1, 21461625), (3, 7153875), (5, 4292325), (9, 2384625), (15, 1430775), (25, 858465), (27, 794875), (45, 476925), (75, 286155), (125, 171693), (135, 158975), (225, 95385), (375, 57231), (675, 31795), (1125, 19077), (3375, 6359)]