220155849

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 341003520

約数和(自身を除く): 120847671

約数列:

[1, 3, 9, 29, 47, 87, 131, 137, 141, 261, 393, 411, 423, 1179, 1233, 1363, 3799, 3973, 4089, 6157, 6439, 11397, 11919, 12267, 17947, 18471, 19317, 34191, 35757, 53841, 55413, 57951, 161523, 178553, 186731, 520463, 535659, 560193, 843509, 1561389, 1606977, 1680579, 2530527, 4684167, 7591581, 24461761, 73385283, 220155849]

約数ペア:

[(1, 220155849), (3, 73385283), (9, 24461761), (29, 7591581), (47, 4684167), (87, 2530527), (131, 1680579), (137, 1606977), (141, 1561389), (261, 843509), (393, 560193), (411, 535659), (423, 520463), (1179, 186731), (1233, 178553), (1363, 161523), (3799, 57951), (3973, 55413), (4089, 53841), (6157, 35757), (6439, 34191), (11397, 19317), (11919, 18471), (12267, 17947)]