2176821

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{2179}}^1$

素因数の和:2225

約数の個数: 16

約数和(自身を含む): 3313600

約数和(自身を除く): 1136779

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 2179, 6537, 19611, 58833, 80623, 241869, 725607, 2176821]

約数ペア:

[(1, 2176821), (3, 725607), (9, 241869), (27, 80623), (37, 58833), (111, 19611), (333, 6537), (999, 2179)]