12821523

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1$

素因数の和:81

約数の個数: 48

約数和(自身を含む): 21432960

約数和(自身を除く): 8611437

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 121, 143, 169, 209, 247, 363, 429, 507, 627, 741, 1331, 1573, 1859, 2299, 2717, 3211, 3993, 4719, 5577, 6897, 8151, 9633, 17303, 20449, 25289, 29887, 35321, 51909, 61347, 75867, 89661, 105963, 224939, 328757, 388531, 674817, 986271, 1165593, 4273841, 12821523]

約数ペア:

[(1, 12821523), (3, 4273841), (11, 1165593), (13, 986271), (19, 674817), (33, 388531), (39, 328757), (57, 224939), (121, 105963), (143, 89661), (169, 75867), (209, 61347), (247, 51909), (363, 35321), (429, 29887), (507, 25289), (627, 20449), (741, 17303), (1331, 9633), (1573, 8151), (1859, 6897), (2299, 5577), (2717, 4719), (3211, 3993)]