39213915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 70272000

約数和(自身を除く): 31058085

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 169, 195, 403, 465, 499, 507, 845, 1209, 1497, 2015, 2495, 2535, 5239, 6045, 6487, 7485, 15469, 15717, 19461, 26195, 32435, 46407, 77345, 78585, 84331, 97305, 201097, 232035, 252993, 421655, 603291, 1005485, 1264965, 2614261, 3016455, 7842783, 13071305, 39213915]

約数ペア:

[(1, 39213915), (3, 13071305), (5, 7842783), (13, 3016455), (15, 2614261), (31, 1264965), (39, 1005485), (65, 603291), (93, 421655), (155, 252993), (169, 232035), (195, 201097), (403, 97305), (465, 84331), (499, 78585), (507, 77345), (845, 46407), (1209, 32435), (1497, 26195), (2015, 19461), (2495, 15717), (2535, 15469), (5239, 7485), (6045, 6487)]