255655491

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{133781}}^1$

素因数の和:133811

約数の個数: 24

約数和(自身を含む): 427032144

約数和(自身を除く): 171376653

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 133781, 401343, 936467, 1739153, 2809401, 5217459, 6555269, 12174071, 19665807, 36522213, 85218497, 255655491]

約数ペア:

[(1, 255655491), (3, 85218497), (7, 36522213), (13, 19665807), (21, 12174071), (39, 6555269), (49, 5217459), (91, 2809401), (147, 1739153), (273, 936467), (637, 401343), (1911, 133781)]