401030721

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{489659}}^1$

素因数の和:489685

約数の個数: 24

約数和(自身を含む): 712944960

約数和(自身を除く): 311914239

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 489659, 1468977, 3427613, 4406931, 6365567, 10282839, 19096701, 30848517, 44558969, 57290103, 133676907, 401030721]

約数ペア:

[(1, 401030721), (3, 133676907), (7, 57290103), (9, 44558969), (13, 30848517), (21, 19096701), (39, 10282839), (63, 6365567), (91, 4406931), (117, 3427613), (273, 1468977), (819, 489659)]