2891205

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1367}}^1$

素因数の和:1425

約数の個数: 24

約数和(自身を含む): 5121792

約数和(自身を除く): 2230587

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 1367, 2115, 4101, 6835, 12303, 20505, 61515, 64249, 192747, 321245, 578241, 963735, 2891205]

約数ペア:

[(1, 2891205), (3, 963735), (5, 578241), (9, 321245), (15, 192747), (45, 64249), (47, 61515), (141, 20505), (235, 12303), (423, 6835), (705, 4101), (1367, 2115)]