31377177

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 51856896

約数和(自身を除く): 20479719

約数列:

[1, 3, 9, 13, 31, 39, 41, 93, 117, 123, 211, 279, 369, 403, 533, 633, 1209, 1271, 1599, 1899, 2743, 3627, 3813, 4797, 6541, 8229, 8651, 11439, 16523, 19623, 24687, 25953, 49569, 58869, 77859, 85033, 112463, 148707, 255099, 268181, 337389, 765297, 804543, 1012167, 2413629, 3486353, 10459059, 31377177]

約数ペア:

[(1, 31377177), (3, 10459059), (9, 3486353), (13, 2413629), (31, 1012167), (39, 804543), (41, 765297), (93, 337389), (117, 268181), (123, 255099), (211, 148707), (279, 112463), (369, 85033), (403, 77859), (533, 58869), (633, 49569), (1209, 25953), (1271, 24687), (1599, 19623), (1899, 16523), (2743, 11439), (3627, 8651), (3813, 8229), (4797, 6541)]