12717213

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{101}}^1$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 18417120

約数和(自身を除く): 5699907

約数列:

[1, 3, 19, 47, 57, 101, 141, 303, 893, 1919, 2209, 2679, 4747, 5757, 6627, 14241, 41971, 90193, 125913, 223109, 270579, 669327, 4239071, 12717213]

約数ペア:

[(1, 12717213), (3, 4239071), (19, 669327), (47, 270579), (57, 223109), (101, 125913), (141, 90193), (303, 41971), (893, 14241), (1919, 6627), (2209, 5757), (2679, 4747)]