12171957

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 19375104

約数和(自身を除く): 7203147

約数列:

[1, 3, 7, 21, 41, 67, 123, 201, 211, 287, 469, 633, 861, 1407, 1477, 2747, 4431, 8241, 8651, 14137, 19229, 25953, 42411, 57687, 60557, 98959, 181671, 296877, 579617, 1738851, 4057319, 12171957]

約数ペア:

[(1, 12171957), (3, 4057319), (7, 1738851), (21, 579617), (41, 296877), (67, 181671), (123, 98959), (201, 60557), (211, 57687), (287, 42411), (469, 25953), (633, 19229), (861, 14137), (1407, 8651), (1477, 8241), (2747, 4431)]