77931015

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{1999}}^1$

素因数の和:2143

約数の個数: 32

約数和(自身を含む): 131328000

約数和(自身を除く): 53396985

約数列:

[1, 3, 5, 15, 23, 69, 113, 115, 339, 345, 565, 1695, 1999, 2599, 5997, 7797, 9995, 12995, 29985, 38985, 45977, 137931, 225887, 229885, 677661, 689655, 1129435, 3388305, 5195401, 15586203, 25977005, 77931015]

約数ペア:

[(1, 77931015), (3, 25977005), (5, 15586203), (15, 5195401), (23, 3388305), (69, 1129435), (113, 689655), (115, 677661), (339, 229885), (345, 225887), (565, 137931), (1695, 45977), (1999, 38985), (2599, 29985), (5997, 12995), (7797, 9995)]