215793279

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97073}}^1$

素因数の和:97111

約数の個数: 24

約数和(自身を含む): 353349360

約数和(自身を除く): 137556081

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 97073, 291219, 873657, 1261949, 1844387, 3785847, 5533161, 11357541, 16599483, 23977031, 71931093, 215793279]

約数ペア:

[(1, 215793279), (3, 71931093), (9, 23977031), (13, 16599483), (19, 11357541), (39, 5533161), (57, 3785847), (117, 1844387), (171, 1261949), (247, 873657), (741, 291219), (2223, 97073)]