205526565

素因数分解:

$3^4\times 5^1\times {\mathrm{509}}^1\times {\mathrm{997}}^1$

素因数の和:1523

約数の個数: 40

約数和(自身を含む): 369519480

約数和(自身を除く): 163992915

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 509, 997, 1527, 2545, 2991, 4581, 4985, 7635, 8973, 13743, 14955, 22905, 26919, 41229, 44865, 68715, 80757, 134595, 206145, 403785, 507473, 1522419, 2537365, 4567257, 7612095, 13701771, 22836285, 41105313, 68508855, 205526565]

約数ペア:

[(1, 205526565), (3, 68508855), (5, 41105313), (9, 22836285), (15, 13701771), (27, 7612095), (45, 4567257), (81, 2537365), (135, 1522419), (405, 507473), (509, 403785), (997, 206145), (1527, 134595), (2545, 80757), (2991, 68715), (4581, 44865), (4985, 41229), (7635, 26919), (8973, 22905), (13743, 14955)]