2253993

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{593}}^1$

素因数の和:784

約数の個数: 16

約数和(自身を含む): 3459456

約数和(自身を除く): 1205463

約数列:

[1, 3, 7, 21, 181, 543, 593, 1267, 1779, 3801, 4151, 12453, 107333, 321999, 751331, 2253993]

約数ペア:

[(1, 2253993), (3, 751331), (7, 321999), (21, 107333), (181, 12453), (543, 4151), (593, 3801), (1267, 1779)]