78253119

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{18539}}^1$

素因数の和:18619

約数の個数: 24

約数和(自身を含む): 131114880

約数和(自身を除く): 52861761

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 18539, 55617, 129773, 166851, 389319, 1167957, 1242113, 3726339, 8694791, 11179017, 26084373, 78253119]

約数ペア:

[(1, 78253119), (3, 26084373), (7, 11179017), (9, 8694791), (21, 3726339), (63, 1242113), (67, 1167957), (201, 389319), (469, 166851), (603, 129773), (1407, 55617), (4221, 18539)]