289076151

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{19979}}^1$

素因数の和:20055

約数の個数: 32

約数和(自身を含む): 483356160

約数和(自身を除く): 194280009

約数列:

[1, 3, 7, 13, 21, 39, 53, 91, 159, 273, 371, 689, 1113, 2067, 4823, 14469, 19979, 59937, 139853, 259727, 419559, 779181, 1058887, 1818089, 3176661, 5454267, 7412209, 13765531, 22236627, 41296593, 96358717, 289076151]

約数ペア:

[(1, 289076151), (3, 96358717), (7, 41296593), (13, 22236627), (21, 13765531), (39, 7412209), (53, 5454267), (91, 3176661), (159, 1818089), (273, 1058887), (371, 779181), (689, 419559), (1113, 259727), (2067, 139853), (4823, 59937), (14469, 19979)]