289679145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67289}}^1$

素因数の和:67345

約数の個数: 32

約数和(自身を含む): 542626560

約数和(自身を除く): 252947415

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4305, 67289, 201867, 336445, 471023, 1009335, 1413069, 2355115, 2758849, 7065345, 8276547, 13794245, 19311943, 41382735, 57935829, 96559715, 289679145]

約数ペア:

[(1, 289679145), (3, 96559715), (5, 57935829), (7, 41382735), (15, 19311943), (21, 13794245), (35, 8276547), (41, 7065345), (105, 2758849), (123, 2355115), (205, 1413069), (287, 1009335), (615, 471023), (861, 336445), (1435, 201867), (4305, 67289)]