3855215

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 5873280

約数和(自身を除く): 2018065

約数列:

[1, 5, 7, 13, 35, 37, 65, 91, 185, 229, 259, 455, 481, 1145, 1295, 1603, 2405, 2977, 3367, 8015, 8473, 14885, 16835, 20839, 42365, 59311, 104195, 110149, 296555, 550745, 771043, 3855215]

約数ペア:

[(1, 3855215), (5, 771043), (7, 550745), (13, 296555), (35, 110149), (37, 104195), (65, 59311), (91, 42365), (185, 20839), (229, 16835), (259, 14885), (455, 8473), (481, 8015), (1145, 3367), (1295, 2977), (1603, 2405)]