217973295

素因数分解:

$3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{14813}}^1$

素因数の和:14936

約数の個数: 32

約数和(自身を含む): 391089600

約数和(自身を除く): 173116305

約数列:

[1, 3, 5, 9, 15, 27, 45, 109, 135, 327, 545, 981, 1635, 2943, 4905, 14715, 14813, 44439, 74065, 133317, 222195, 399951, 666585, 1614617, 1999755, 4843851, 8073085, 14531553, 24219255, 43594659, 72657765, 217973295]

約数ペア:

[(1, 217973295), (3, 72657765), (5, 43594659), (9, 24219255), (15, 14531553), (27, 8073085), (45, 4843851), (109, 1999755), (135, 1614617), (327, 666585), (545, 399951), (981, 222195), (1635, 133317), (2943, 74065), (4905, 44439), (14715, 14813)]