7021209

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4391}}^1$

素因数の和:4448

約数の個数: 16

約数和(自身を含む): 10329984

約数和(自身を除く): 3308775

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 4391, 13173, 57083, 171249, 180031, 540093, 2340403, 7021209]

約数ペア:

[(1, 7021209), (3, 2340403), (13, 540093), (39, 180031), (41, 171249), (123, 57083), (533, 13173), (1599, 4391)]