661227

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2$

素因数の和:107

約数の個数: 24

約数和(自身を含む): 1080576

約数和(自身を除く): 419349

約数列:

[1, 3, 7, 21, 23, 37, 69, 111, 161, 259, 483, 777, 851, 1369, 2553, 4107, 5957, 9583, 17871, 28749, 31487, 94461, 220409, 661227]

約数ペア:

[(1, 661227), (3, 220409), (7, 94461), (21, 31487), (23, 28749), (37, 17871), (69, 9583), (111, 5957), (161, 4107), (259, 2553), (483, 1369), (777, 851)]