254900541

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1\times {\mathrm{659}}^1$

素因数の和:945

約数の個数: 32

約数和(自身を含む): 394859520

約数和(自身を除く): 139958979

約数列:

[1, 3, 7, 21, 113, 163, 339, 489, 659, 791, 1141, 1977, 2373, 3423, 4613, 13839, 18419, 55257, 74467, 107417, 128933, 223401, 322251, 386799, 521269, 751919, 1563807, 2255757, 12138121, 36414363, 84966847, 254900541]

約数ペア:

[(1, 254900541), (3, 84966847), (7, 36414363), (21, 12138121), (113, 2255757), (163, 1563807), (339, 751919), (489, 521269), (659, 386799), (791, 322251), (1141, 223401), (1977, 128933), (2373, 107417), (3423, 74467), (4613, 55257), (13839, 18419)]