1281330495

素因数分解:

$3^8\times 5^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:449

約数の個数: 72

約数和(自身を含む): 2331136080

約数和(自身を除く): 1049805585

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 139, 243, 281, 405, 417, 695, 729, 843, 1215, 1251, 1405, 2085, 2187, 2529, 3645, 3753, 4215, 6255, 6561, 7587, 10935, 11259, 12645, 18765, 22761, 32805, 33777, 37935, 39059, 56295, 68283, 101331, 113805, 117177, 168885, 195295, 204849, 303993, 341415, 351531, 506655, 585885, 614547, 911979, 1024245, 1054593, 1519965, 1757655, 1843641, 3072735, 3163779, 4559895, 5272965, 9218205, 9491337, 15818895, 28474011, 47456685, 85422033, 142370055, 256266099, 427110165, 1281330495]

約数ペア:

[(1, 1281330495), (3, 427110165), (5, 256266099), (9, 142370055), (15, 85422033), (27, 47456685), (45, 28474011), (81, 15818895), (135, 9491337), (139, 9218205), (243, 5272965), (281, 4559895), (405, 3163779), (417, 3072735), (695, 1843641), (729, 1757655), (843, 1519965), (1215, 1054593), (1251, 1024245), (1405, 911979), (2085, 614547), (2187, 585885), (2529, 506655), (3645, 351531), (3753, 341415), (4215, 303993), (6255, 204849), (6561, 195295), (7587, 168885), (10935, 117177), (11259, 113805), (12645, 101331), (18765, 68283), (22761, 56295), (32805, 39059), (33777, 37935)]