217088505

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{17291}}^1$

素因数の和:17339

約数の個数: 40

約数和(自身を含む): 401727744

約数和(自身を除く): 184639239

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 81, 93, 135, 155, 279, 405, 465, 837, 1395, 2511, 4185, 12555, 17291, 51873, 86455, 155619, 259365, 466857, 536021, 778095, 1400571, 1608063, 2334285, 2680105, 4824189, 7002855, 8040315, 14472567, 24120945, 43417701, 72362835, 217088505]

約数ペア:

[(1, 217088505), (3, 72362835), (5, 43417701), (9, 24120945), (15, 14472567), (27, 8040315), (31, 7002855), (45, 4824189), (81, 2680105), (93, 2334285), (135, 1608063), (155, 1400571), (279, 778095), (405, 536021), (465, 466857), (837, 259365), (1395, 155619), (2511, 86455), (4185, 51873), (12555, 17291)]