220153959

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{2887}}^1$

素因数の和:3159

約数の個数: 24

約数和(自身を含む): 328134560

約数和(自身を除く): 107980601

約数列:

[1, 3, 9, 37, 111, 229, 333, 687, 2061, 2887, 8473, 8661, 25419, 25983, 76257, 106819, 320457, 661123, 961371, 1983369, 5950107, 24461551, 73384653, 220153959]

約数ペア:

[(1, 220153959), (3, 73384653), (9, 24461551), (37, 5950107), (111, 1983369), (229, 961371), (333, 661123), (687, 320457), (2061, 106819), (2887, 76257), (8473, 25983), (8661, 25419)]