7216371

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{521}}^1$

素因数の和:558

約数の個数: 28

約数和(自身を含む): 11410920

約数和(自身を除く): 4194549

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 521, 729, 1539, 1563, 4617, 4689, 9899, 13851, 14067, 29697, 42201, 89091, 126603, 267273, 379809, 801819, 2405457, 7216371]

約数ペア:

[(1, 7216371), (3, 2405457), (9, 801819), (19, 379809), (27, 267273), (57, 126603), (81, 89091), (171, 42201), (243, 29697), (513, 14067), (521, 13851), (729, 9899), (1539, 4689), (1563, 4617)]