157040247

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2221}}^1$

素因数の和:2288

約数の個数: 48

約数和(自身を含む): 269519712

約数和(自身を除く): 112479465

約数列:

[1, 3, 7, 13, 21, 37, 39, 49, 91, 111, 147, 259, 273, 481, 637, 777, 1443, 1813, 1911, 2221, 3367, 5439, 6663, 10101, 15547, 23569, 28873, 46641, 70707, 82177, 86619, 108829, 202111, 246531, 326487, 575239, 606333, 1068301, 1414777, 1725717, 3204903, 4026673, 4244331, 7478107, 12080019, 22434321, 52346749, 157040247]

約数ペア:

[(1, 157040247), (3, 52346749), (7, 22434321), (13, 12080019), (21, 7478107), (37, 4244331), (39, 4026673), (49, 3204903), (91, 1725717), (111, 1414777), (147, 1068301), (259, 606333), (273, 575239), (481, 326487), (637, 246531), (777, 202111), (1443, 108829), (1813, 86619), (1911, 82177), (2221, 70707), (3367, 46641), (5439, 28873), (6663, 23569), (10101, 15547)]