8728941

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 13208832

約数和(自身を除く): 4479891

約数列:

[1, 3, 13, 39, 41, 53, 103, 123, 159, 309, 533, 689, 1339, 1599, 2067, 2173, 4017, 4223, 5459, 6519, 12669, 16377, 28249, 54899, 70967, 84747, 164697, 212901, 223819, 671457, 2909647, 8728941]

約数ペア:

[(1, 8728941), (3, 2909647), (13, 671457), (39, 223819), (41, 212901), (53, 164697), (103, 84747), (123, 70967), (159, 54899), (309, 28249), (533, 16377), (689, 12669), (1339, 6519), (1599, 5459), (2067, 4223), (2173, 4017)]