2180565

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1031}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 3863808

約数和(自身を除く): 1683243

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 1031, 2115, 3093, 5155, 9279, 15465, 46395, 48457, 145371, 242285, 436113, 726855, 2180565]

約数ペア:

[(1, 2180565), (3, 726855), (5, 436113), (9, 242285), (15, 145371), (45, 48457), (47, 46395), (141, 15465), (235, 9279), (423, 5155), (705, 3093), (1031, 2115)]