289290765

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1\times {\mathrm{743}}^1$

素因数の和:1109

約数の個数: 32

約数和(自身を含む): 469898496

約数和(自身を除く): 180607731

約数列:

[1, 3, 5, 15, 101, 257, 303, 505, 743, 771, 1285, 1515, 2229, 3715, 3855, 11145, 25957, 75043, 77871, 129785, 190951, 225129, 375215, 389355, 572853, 954755, 1125645, 2864265, 19286051, 57858153, 96430255, 289290765]

約数ペア:

[(1, 289290765), (3, 96430255), (5, 57858153), (15, 19286051), (101, 2864265), (257, 1125645), (303, 954755), (505, 572853), (743, 389355), (771, 375215), (1285, 225129), (1515, 190951), (2229, 129785), (3715, 77871), (3855, 75043), (11145, 25957)]