221623677

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{659}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 362419200

約数和(自身を除く): 140795523

約数列:

[1, 3, 9, 11, 33, 43, 79, 99, 129, 237, 387, 473, 659, 711, 869, 1419, 1977, 2607, 3397, 4257, 5931, 7249, 7821, 10191, 21747, 28337, 30573, 37367, 52061, 65241, 85011, 112101, 156183, 255033, 311707, 336303, 468549, 572671, 935121, 1718013, 2238623, 2805363, 5154039, 6715869, 20147607, 24624853, 73874559, 221623677]

約数ペア:

[(1, 221623677), (3, 73874559), (9, 24624853), (11, 20147607), (33, 6715869), (43, 5154039), (79, 2805363), (99, 2238623), (129, 1718013), (237, 935121), (387, 572671), (473, 468549), (659, 336303), (711, 311707), (869, 255033), (1419, 156183), (1977, 112101), (2607, 85011), (3397, 65241), (4257, 52061), (5931, 37367), (7249, 30573), (7821, 28337), (10191, 21747)]