30660721

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{379}}^1$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 38814720

約数和(自身を除く): 8153999

約数列:

[1, 7, 13, 49, 91, 127, 379, 637, 889, 1651, 2653, 4927, 6223, 11557, 18571, 34489, 48133, 80899, 241423, 336931, 625729, 2358517, 4380103, 30660721]

約数ペア:

[(1, 30660721), (7, 4380103), (13, 2358517), (49, 625729), (91, 336931), (127, 241423), (379, 80899), (637, 48133), (889, 34489), (1651, 18571), (2653, 11557), (4927, 6223)]