49521861

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:271

約数の個数: 40

約数和(自身を含む): 76665600

約数和(自身を除く): 27143739

約数列:

[1, 3, 9, 27, 71, 79, 81, 109, 213, 237, 327, 639, 711, 981, 1917, 2133, 2943, 5609, 5751, 6399, 7739, 8611, 8829, 16827, 23217, 25833, 50481, 69651, 77499, 151443, 208953, 232497, 454329, 611381, 626859, 697491, 1834143, 5502429, 16507287, 49521861]

約数ペア:

[(1, 49521861), (3, 16507287), (9, 5502429), (27, 1834143), (71, 697491), (79, 626859), (81, 611381), (109, 454329), (213, 232497), (237, 208953), (327, 151443), (639, 77499), (711, 69651), (981, 50481), (1917, 25833), (2133, 23217), (2943, 16827), (5609, 8829), (5751, 8611), (6399, 7739)]