78196671

素因数分解:

$3^5\times 7^1\times {\mathrm{45971}}^1$

素因数の和:45993

約数の個数: 24

約数和(自身を含む): 133870464

約数和(自身を除く): 55673793

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 45971, 137913, 321797, 413739, 965391, 1241217, 2896173, 3723651, 8688519, 11170953, 26065557, 78196671]

約数ペア:

[(1, 78196671), (3, 26065557), (7, 11170953), (9, 8688519), (21, 3723651), (27, 2896173), (63, 1241217), (81, 965391), (189, 413739), (243, 321797), (567, 137913), (1701, 45971)]