213907113

素因数分解:

$3^2\times 7^1\times {\mathrm{617}}^1\times {\mathrm{5503}}^1$

素因数の和:6133

約数の個数: 24

約数和(自身を含む): 353753088

約数和(自身を除く): 139845975

約数列:

[1, 3, 7, 9, 21, 63, 617, 1851, 4319, 5503, 5553, 12957, 16509, 38521, 38871, 49527, 115563, 346689, 3395351, 10186053, 23767457, 30558159, 71302371, 213907113]

約数ペア:

[(1, 213907113), (3, 71302371), (7, 30558159), (9, 23767457), (21, 10186053), (63, 3395351), (617, 346689), (1851, 115563), (4319, 49527), (5503, 38871), (5553, 38521), (12957, 16509)]