2631489

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{149}}^1$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 4180800

約数和(自身を除く): 1549311

約数列:

[1, 3, 7, 21, 29, 87, 149, 203, 447, 609, 841, 1043, 2523, 3129, 4321, 5887, 12963, 17661, 30247, 90741, 125309, 375927, 877163, 2631489]

約数ペア:

[(1, 2631489), (3, 877163), (7, 375927), (21, 125309), (29, 90741), (87, 30247), (149, 17661), (203, 12963), (447, 5887), (609, 4321), (841, 3129), (1043, 2523)]