2689731

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{269}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 4296240

約数和(自身を除く): 1606509

約数列:

[1, 3, 9, 11, 33, 99, 101, 269, 303, 807, 909, 1111, 2421, 2959, 3333, 8877, 9999, 26631, 27169, 81507, 244521, 298859, 896577, 2689731]

約数ペア:

[(1, 2689731), (3, 896577), (9, 298859), (11, 244521), (33, 81507), (99, 27169), (101, 26631), (269, 9999), (303, 8877), (807, 3333), (909, 2959), (1111, 2421)]