3947181

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1861}}^1$

素因数の和:1972

約数の個数: 16

約数和(自身を含む): 6077568

約数和(自身を除く): 2130387

約数列:

[1, 3, 7, 21, 101, 303, 707, 1861, 2121, 5583, 13027, 39081, 187961, 563883, 1315727, 3947181]

約数ペア:

[(1, 3947181), (3, 1315727), (7, 563883), (21, 187961), (101, 39081), (303, 13027), (707, 5583), (1861, 2121)]