2398437

素因数分解:

$3^3\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:641

約数の個数: 16

約数和(自身を含む): 3578560

約数和(自身を除く): 1180123

約数列:

[1, 3, 9, 27, 211, 421, 633, 1263, 1899, 3789, 5697, 11367, 88831, 266493, 799479, 2398437]

約数ペア:

[(1, 2398437), (3, 799479), (9, 266493), (27, 88831), (211, 11367), (421, 5697), (633, 3789), (1263, 1899)]