6420813

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1409}}^1$

素因数の和:1457

約数の個数: 24

約数和(自身を含む): 10287360

約数和(自身を除く): 3866547

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1409, 1519, 4227, 4557, 9863, 29589, 43679, 69041, 131037, 207123, 305753, 917259, 2140271, 6420813]

約数ペア:

[(1, 6420813), (3, 2140271), (7, 917259), (21, 305753), (31, 207123), (49, 131037), (93, 69041), (147, 43679), (217, 29589), (651, 9863), (1409, 4557), (1519, 4227)]