215865727

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{619}}^1\times {\mathrm{647}}^1$

素因数の和:1291

約数の個数: 24

約数和(自身を含む): 274803840

約数和(自身を除く): 58938113

約数列:

[1, 7, 11, 49, 77, 539, 619, 647, 4333, 4529, 6809, 7117, 30331, 31703, 47663, 49819, 333641, 348733, 400493, 2803451, 4405423, 19624157, 30837961, 215865727]

約数ペア:

[(1, 215865727), (7, 30837961), (11, 19624157), (49, 4405423), (77, 2803451), (539, 400493), (619, 348733), (647, 333641), (4333, 49819), (4529, 47663), (6809, 31703), (7117, 30331)]