5639985

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 10902528

約数和(自身を除く): 5262543

約数列:

[1, 3, 5, 9, 13, 15, 31, 39, 45, 65, 93, 117, 155, 195, 279, 311, 403, 465, 585, 933, 1209, 1395, 1555, 2015, 2799, 3627, 4043, 4665, 6045, 9641, 12129, 13995, 18135, 20215, 28923, 36387, 48205, 60645, 86769, 125333, 144615, 181935, 375999, 433845, 626665, 1127997, 1879995, 5639985]

約数ペア:

[(1, 5639985), (3, 1879995), (5, 1127997), (9, 626665), (13, 433845), (15, 375999), (31, 181935), (39, 144615), (45, 125333), (65, 86769), (93, 60645), (117, 48205), (155, 36387), (195, 28923), (279, 20215), (311, 18135), (403, 13995), (465, 12129), (585, 9641), (933, 6045), (1209, 4665), (1395, 4043), (1555, 3627), (2015, 2799)]