68821857

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1$

素因数の和:494

約数の個数: 48

約数和(自身を含む): 114354240

約数和(自身を除く): 45532383

約数列:

[1, 3, 9, 13, 19, 39, 57, 83, 117, 171, 247, 249, 373, 741, 747, 1079, 1119, 1577, 2223, 3237, 3357, 4731, 4849, 7087, 9711, 14193, 14547, 20501, 21261, 30959, 43641, 61503, 63783, 92131, 92877, 184509, 276393, 278631, 402467, 588221, 829179, 1207401, 1764663, 3622203, 5293989, 7646873, 22940619, 68821857]

約数ペア:

[(1, 68821857), (3, 22940619), (9, 7646873), (13, 5293989), (19, 3622203), (39, 1764663), (57, 1207401), (83, 829179), (117, 588221), (171, 402467), (247, 278631), (249, 276393), (373, 184509), (741, 92877), (747, 92131), (1079, 63783), (1119, 61503), (1577, 43641), (2223, 30959), (3237, 21261), (3357, 20501), (4731, 14547), (4849, 14193), (7087, 9711)]