13238121

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 20659968

約数和(自身を除く): 7421847

約数列:

[1, 3, 13, 17, 39, 41, 51, 123, 221, 487, 533, 663, 697, 1461, 1599, 2091, 6331, 8279, 9061, 18993, 19967, 24837, 27183, 59901, 107627, 259571, 322881, 339439, 778713, 1018317, 4412707, 13238121]

約数ペア:

[(1, 13238121), (3, 4412707), (13, 1018317), (17, 778713), (39, 339439), (41, 322881), (51, 259571), (123, 107627), (221, 59901), (487, 27183), (533, 24837), (663, 19967), (697, 18993), (1461, 9061), (1599, 8279), (2091, 6331)]