221382161

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2029}}^1$

素因数の和:2169

約数の個数: 32

約数和(自身を含む): 300115200

約数和(自身を除く): 78733039

約数列:

[1, 7, 11, 13, 77, 91, 109, 143, 763, 1001, 1199, 1417, 2029, 8393, 9919, 14203, 15587, 22319, 26377, 109109, 156233, 184639, 221161, 290147, 1548127, 2031029, 2432771, 2875093, 17029397, 20125651, 31626023, 221382161]

約数ペア:

[(1, 221382161), (7, 31626023), (11, 20125651), (13, 17029397), (77, 2875093), (91, 2432771), (109, 2031029), (143, 1548127), (763, 290147), (1001, 221161), (1199, 184639), (1417, 156233), (2029, 109109), (8393, 26377), (9919, 22319), (14203, 15587)]