221360145

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{773}}^1\times {\mathrm{1123}}^1$

素因数の和:1921

約数の個数: 32

約数和(自身を含む): 375829632

約数和(自身を除く): 154469487

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 773, 1123, 2319, 3369, 3865, 5615, 11595, 13141, 16845, 19091, 39423, 57273, 65705, 95455, 197115, 286365, 868079, 2604237, 4340395, 13021185, 14757343, 44272029, 73786715, 221360145]

約数ペア:

[(1, 221360145), (3, 73786715), (5, 44272029), (15, 14757343), (17, 13021185), (51, 4340395), (85, 2604237), (255, 868079), (773, 286365), (1123, 197115), (2319, 95455), (3369, 65705), (3865, 57273), (5615, 39423), (11595, 19091), (13141, 16845)]