388455525

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{2477}}^1$

素因数の和:2551

約数の個数: 72

約数和(自身を含む): 754967304

約数和(自身を除く): 366511779

約数列:

[1, 3, 5, 9, 15, 17, 25, 41, 45, 51, 75, 85, 123, 153, 205, 225, 255, 369, 425, 615, 697, 765, 1025, 1275, 1845, 2091, 2477, 3075, 3485, 3825, 6273, 7431, 9225, 10455, 12385, 17425, 22293, 31365, 37155, 42109, 52275, 61925, 101557, 111465, 126327, 156825, 185775, 210545, 304671, 378981, 507785, 557325, 631635, 914013, 1052725, 1523355, 1726469, 1894905, 2538925, 3158175, 4570065, 5179407, 7616775, 8632345, 9474525, 15538221, 22850325, 25897035, 43161725, 77691105, 129485175, 388455525]

約数ペア:

[(1, 388455525), (3, 129485175), (5, 77691105), (9, 43161725), (15, 25897035), (17, 22850325), (25, 15538221), (41, 9474525), (45, 8632345), (51, 7616775), (75, 5179407), (85, 4570065), (123, 3158175), (153, 2538925), (205, 1894905), (225, 1726469), (255, 1523355), (369, 1052725), (425, 914013), (615, 631635), (697, 557325), (765, 507785), (1025, 378981), (1275, 304671), (1845, 210545), (2091, 185775), (2477, 156825), (3075, 126327), (3485, 111465), (3825, 101557), (6273, 61925), (7431, 52275), (9225, 42109), (10455, 37155), (12385, 31365), (17425, 22293)]