217305

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 411840

約数和(自身を除く): 194535

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 439, 495, 1317, 2195, 3951, 4829, 6585, 14487, 19755, 24145, 43461, 72435, 217305]

約数ペア:

[(1, 217305), (3, 72435), (5, 43461), (9, 24145), (11, 19755), (15, 14487), (33, 6585), (45, 4829), (55, 3951), (99, 2195), (165, 1317), (439, 495)]