15721085955

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1\times {\mathrm{1861}}^1$

素因数の和:2428

約数の個数: 64

約数和(自身を含む): 26735579136

約数和(自身を除く): 11014493181

約数列:

[1, 3, 5, 15, 31, 37, 93, 111, 155, 185, 465, 491, 555, 1147, 1473, 1861, 2455, 3441, 5583, 5735, 7365, 9305, 15221, 17205, 18167, 27915, 45663, 54501, 57691, 68857, 76105, 90835, 173073, 206571, 228315, 272505, 288455, 344285, 563177, 865365, 913751, 1032855, 1689531, 2134567, 2741253, 2815885, 4568755, 6403701, 8447655, 10672835, 13706265, 28326281, 32018505, 33808787, 84978843, 101426361, 141631405, 169043935, 424894215, 507131805, 1048072397, 3144217191, 5240361985, 15721085955]

約数ペア:

[(1, 15721085955), (3, 5240361985), (5, 3144217191), (15, 1048072397), (31, 507131805), (37, 424894215), (93, 169043935), (111, 141631405), (155, 101426361), (185, 84978843), (465, 33808787), (491, 32018505), (555, 28326281), (1147, 13706265), (1473, 10672835), (1861, 8447655), (2455, 6403701), (3441, 4568755), (5583, 2815885), (5735, 2741253), (7365, 2134567), (9305, 1689531), (15221, 1032855), (17205, 913751), (18167, 865365), (27915, 563177), (45663, 344285), (54501, 288455), (57691, 272505), (68857, 228315), (76105, 206571), (90835, 173073)]