42706881

素因数分解:

$3^2\times 7^2\times {\mathrm{113}}^1\times {\mathrm{857}}^1$

素因数の和:990

約数の個数: 36

約数和(自身を含む): 72478692

約数和(自身を除く): 29771811

約数列:

[1, 3, 7, 9, 21, 49, 63, 113, 147, 339, 441, 791, 857, 1017, 2373, 2571, 5537, 5999, 7119, 7713, 16611, 17997, 41993, 49833, 53991, 96841, 125979, 290523, 377937, 677887, 871569, 2033661, 4745209, 6100983, 14235627, 42706881]

約数ペア:

[(1, 42706881), (3, 14235627), (7, 6100983), (9, 4745209), (21, 2033661), (49, 871569), (63, 677887), (113, 377937), (147, 290523), (339, 125979), (441, 96841), (791, 53991), (857, 49833), (1017, 41993), (2373, 17997), (2571, 16611), (5537, 7713), (5999, 7119)]