1257695481

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{165901}}^1$

素因数の和:165949

約数の個数: 24

約数和(自身を含む): 2022677184

約数和(自身を除く): 764981703

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 7581, 165901, 497703, 1161307, 3152119, 3483921, 9456357, 22064833, 59890261, 66194499, 179670783, 419231827, 1257695481]

約数ペア:

[(1, 1257695481), (3, 419231827), (7, 179670783), (19, 66194499), (21, 59890261), (57, 22064833), (133, 9456357), (361, 3483921), (399, 3152119), (1083, 1161307), (2527, 497703), (7581, 165901)]