156940845

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{2357}}^1$

素因数の和:2581

約数の個数: 32

約数和(自身を含む): 263492352

約数和(自身を除く): 106551507

約数列:

[1, 3, 5, 15, 23, 69, 115, 193, 345, 579, 965, 2357, 2895, 4439, 7071, 11785, 13317, 22195, 35355, 54211, 66585, 162633, 271055, 454901, 813165, 1364703, 2274505, 6823515, 10462723, 31388169, 52313615, 156940845]

約数ペア:

[(1, 156940845), (3, 52313615), (5, 31388169), (15, 10462723), (23, 6823515), (69, 2274505), (115, 1364703), (193, 813165), (345, 454901), (579, 271055), (965, 162633), (2357, 66585), (2895, 54211), (4439, 35355), (7071, 22195), (11785, 13317)]