1660659

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:120

約数の個数: 48

約数和(自身を含む): 3064320

約数和(自身を除く): 1403661

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 49, 77, 79, 91, 143, 147, 231, 237, 273, 429, 539, 553, 637, 869, 1001, 1027, 1617, 1659, 1911, 2607, 3003, 3081, 3871, 6083, 7007, 7189, 11297, 11613, 18249, 21021, 21567, 33891, 42581, 50323, 79079, 127743, 150969, 237237, 553553, 1660659]

約数ペア:

[(1, 1660659), (3, 553553), (7, 237237), (11, 150969), (13, 127743), (21, 79079), (33, 50323), (39, 42581), (49, 33891), (77, 21567), (79, 21021), (91, 18249), (143, 11613), (147, 11297), (231, 7189), (237, 7007), (273, 6083), (429, 3871), (539, 3081), (553, 3003), (637, 2607), (869, 1911), (1001, 1659), (1027, 1617)]