157021137

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:543

約数の個数: 72

約数和(自身を含む): 289434600

約数和(自身を除く): 132413463

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 61, 63, 91, 117, 147, 183, 273, 427, 441, 449, 549, 637, 793, 819, 1281, 1347, 1911, 2379, 2989, 3143, 3843, 4041, 5551, 5733, 5837, 7137, 8967, 9429, 16653, 17511, 22001, 26901, 27389, 28287, 38857, 40859, 49959, 52533, 66003, 82167, 116571, 122577, 191723, 198009, 246501, 286013, 349713, 356057, 367731, 575169, 858039, 1068171, 1342061, 1725507, 2492399, 2574117, 3204513, 4026183, 7477197, 12078549, 17446793, 22431591, 52340379, 157021137]

約数ペア:

[(1, 157021137), (3, 52340379), (7, 22431591), (9, 17446793), (13, 12078549), (21, 7477197), (39, 4026183), (49, 3204513), (61, 2574117), (63, 2492399), (91, 1725507), (117, 1342061), (147, 1068171), (183, 858039), (273, 575169), (427, 367731), (441, 356057), (449, 349713), (549, 286013), (637, 246501), (793, 198009), (819, 191723), (1281, 122577), (1347, 116571), (1911, 82167), (2379, 66003), (2989, 52533), (3143, 49959), (3843, 40859), (4041, 38857), (5551, 28287), (5733, 27389), (5837, 26901), (7137, 22001), (8967, 17511), (9429, 16653)]