15245521921

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{13381}}^1$

素因数の和:13561

約数の個数: 32

約数和(自身を含む): 18453028608

約数和(自身を除く): 3207506687

約数列:

[1, 7, 37, 53, 83, 259, 371, 581, 1961, 3071, 4399, 13381, 13727, 21497, 30793, 93667, 162763, 495097, 709193, 1110623, 1139341, 3465679, 4964351, 7774361, 26240141, 41093051, 58863019, 183680987, 287651357, 412041133, 2177931703, 15245521921]

約数ペア:

[(1, 15245521921), (7, 2177931703), (37, 412041133), (53, 287651357), (83, 183680987), (259, 58863019), (371, 41093051), (581, 26240141), (1961, 7774361), (3071, 4964351), (4399, 3465679), (13381, 1139341), (13727, 1110623), (21497, 709193), (30793, 495097), (93667, 162763)]