28104225

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{6143}}^1$

素因数の和:6217

約数の個数: 24

約数和(自身を含む): 47235072

約数和(自身を除く): 19130847

約数列:

[1, 3, 5, 15, 25, 61, 75, 183, 305, 915, 1525, 4575, 6143, 18429, 30715, 92145, 153575, 374723, 460725, 1124169, 1873615, 5620845, 9368075, 28104225]

約数ペア:

[(1, 28104225), (3, 9368075), (5, 5620845), (15, 1873615), (25, 1124169), (61, 460725), (75, 374723), (183, 153575), (305, 92145), (915, 30715), (1525, 18429), (4575, 6143)]