2179881

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:341

約数の個数: 24

約数和(自身を含む): 3485664

約数和(自身を除く): 1305783

約数列:

[1, 3, 9, 11, 33, 97, 99, 227, 291, 681, 873, 1067, 2043, 2497, 3201, 7491, 9603, 22019, 22473, 66057, 198171, 242209, 726627, 2179881]

約数ペア:

[(1, 2179881), (3, 726627), (9, 242209), (11, 198171), (33, 66057), (97, 22473), (99, 22019), (227, 9603), (291, 7491), (681, 3201), (873, 2497), (1067, 2043)]