21137625

素因数分解:

$3^3\times 5^3\times {\mathrm{6263}}^1$

素因数の和:6287

約数の個数: 32

約数和(自身を含む): 39087360

約数和(自身を除く): 17949735

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 675, 1125, 3375, 6263, 18789, 31315, 56367, 93945, 156575, 169101, 281835, 469725, 782875, 845505, 1409175, 2348625, 4227525, 7045875, 21137625]

約数ペア:

[(1, 21137625), (3, 7045875), (5, 4227525), (9, 2348625), (15, 1409175), (25, 845505), (27, 782875), (45, 469725), (75, 281835), (125, 169101), (135, 156575), (225, 93945), (375, 56367), (675, 31315), (1125, 18789), (3375, 6263)]