245655807

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{109}}^1\times {\mathrm{2081}}^1$

素因数の和:2231

約数の個数: 24

約数和(自身を含む): 349026480

約数和(自身を除く): 103370673

約数列:

[1, 3, 19, 57, 109, 327, 361, 1083, 2071, 2081, 6213, 6243, 39349, 39539, 118047, 118617, 226829, 680487, 751241, 2253723, 4309751, 12929253, 81885269, 245655807]

約数ペア:

[(1, 245655807), (3, 81885269), (19, 12929253), (57, 4309751), (109, 2253723), (327, 751241), (361, 680487), (1083, 226829), (2071, 118617), (2081, 118047), (6213, 39539), (6243, 39349)]