289069641

素因数分解:

$3^6\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1531}}^1$

素因数の和:1593

約数の個数: 56

約数和(自身を含む): 509040704

約数和(自身を除く): 219971063

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 243, 259, 333, 567, 729, 777, 999, 1531, 1701, 2331, 2997, 4593, 5103, 6993, 8991, 10717, 13779, 20979, 26973, 32151, 41337, 56647, 62937, 96453, 124011, 169941, 188811, 289359, 372033, 396529, 509823, 868077, 1116099, 1189587, 1529469, 2604231, 3568761, 4588407, 7812693, 10706283, 13765221, 32118849, 41295663, 96356547, 289069641]

約数ペア:

[(1, 289069641), (3, 96356547), (7, 41295663), (9, 32118849), (21, 13765221), (27, 10706283), (37, 7812693), (63, 4588407), (81, 3568761), (111, 2604231), (189, 1529469), (243, 1189587), (259, 1116099), (333, 868077), (567, 509823), (729, 396529), (777, 372033), (999, 289359), (1531, 188811), (1701, 169941), (2331, 124011), (2997, 96453), (4593, 62937), (5103, 56647), (6993, 41337), (8991, 32151), (10717, 26973), (13779, 20979)]