27999075

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{47}}^2$

素因数の和:133

約数の個数: 54

約数和(自身を含む): 51215844

約数和(自身を除く): 23216769

約数列:

[1, 3, 5, 13, 15, 25, 39, 47, 65, 75, 141, 169, 195, 235, 325, 507, 611, 705, 845, 975, 1175, 1833, 2209, 2535, 3055, 3525, 4225, 6627, 7943, 9165, 11045, 12675, 15275, 23829, 28717, 33135, 39715, 45825, 55225, 86151, 119145, 143585, 165675, 198575, 373321, 430755, 595725, 717925, 1119963, 1866605, 2153775, 5599815, 9333025, 27999075]

約数ペア:

[(1, 27999075), (3, 9333025), (5, 5599815), (13, 2153775), (15, 1866605), (25, 1119963), (39, 717925), (47, 595725), (65, 430755), (75, 373321), (141, 198575), (169, 165675), (195, 143585), (235, 119145), (325, 86151), (507, 55225), (611, 45825), (705, 39715), (845, 33135), (975, 28717), (1175, 23829), (1833, 15275), (2209, 12675), (2535, 11045), (3055, 9165), (3525, 7943), (4225, 6627)]