78198561

素因数分解:

$3^3\times 7^2\times {\mathrm{59107}}^1$

素因数の和:59130

約数の個数: 24

約数和(自身を含む): 134766240

約数和(自身を除く): 56567679

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 59107, 177321, 413749, 531963, 1241247, 1595889, 2896243, 3723741, 8688729, 11171223, 26066187, 78198561]

約数ペア:

[(1, 78198561), (3, 26066187), (7, 11171223), (9, 8688729), (21, 3723741), (27, 2896243), (49, 1595889), (63, 1241247), (147, 531963), (189, 413749), (441, 177321), (1323, 59107)]