1871541

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:561

約数の個数: 24

約数和(自身を含む): 3146624

約数和(自身を除く): 1275083

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 487, 549, 1281, 1461, 3409, 3843, 4383, 10227, 29707, 30681, 89121, 207949, 267363, 623847, 1871541]

約数ペア:

[(1, 1871541), (3, 623847), (7, 267363), (9, 207949), (21, 89121), (61, 30681), (63, 29707), (183, 10227), (427, 4383), (487, 3843), (549, 3409), (1281, 1461)]