51539187

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{587}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 81510912

約数和(自身を除く): 29971725

約数列:

[1, 3, 7, 21, 37, 111, 113, 259, 339, 587, 777, 791, 1761, 2373, 4109, 4181, 12327, 12543, 21719, 29267, 65157, 66331, 87801, 152033, 198993, 456099, 464317, 1392951, 2454247, 7362741, 17179729, 51539187]

約数ペア:

[(1, 51539187), (3, 17179729), (7, 7362741), (21, 2454247), (37, 1392951), (111, 464317), (113, 456099), (259, 198993), (339, 152033), (587, 87801), (777, 66331), (791, 65157), (1761, 29267), (2373, 21719), (4109, 12543), (4181, 12327)]