1393508745

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1\times {\mathrm{769}}^1$

素因数の和:1247

約数の個数: 64

約数和(自身を含む): 2566502400

約数和(自身を除く): 1172993655

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 433, 465, 769, 837, 1299, 1395, 2165, 2307, 3845, 3897, 4185, 6495, 6921, 11535, 11691, 13423, 19485, 20763, 23839, 34605, 40269, 58455, 67115, 71517, 103815, 119195, 120807, 201345, 214551, 332977, 357585, 362421, 604035, 643653, 998931, 1072755, 1664885, 1812105, 2996793, 3218265, 4994655, 8990379, 10322287, 14983965, 30966861, 44951895, 51611435, 92900583, 154834305, 278701749, 464502915, 1393508745]

約数ペア:

[(1, 1393508745), (3, 464502915), (5, 278701749), (9, 154834305), (15, 92900583), (27, 51611435), (31, 44951895), (45, 30966861), (93, 14983965), (135, 10322287), (155, 8990379), (279, 4994655), (433, 3218265), (465, 2996793), (769, 1812105), (837, 1664885), (1299, 1072755), (1395, 998931), (2165, 643653), (2307, 604035), (3845, 362421), (3897, 357585), (4185, 332977), (6495, 214551), (6921, 201345), (11535, 120807), (11691, 119195), (13423, 103815), (19485, 71517), (20763, 67115), (23839, 58455), (34605, 40269)]