2687307

素因数分解:

$3^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:299

約数の個数: 24

約数和(自身を含む): 4232592

約数和(自身を除く): 1545285

約数列:

[1, 3, 7, 21, 49, 101, 147, 181, 303, 543, 707, 1267, 2121, 3801, 4949, 8869, 14847, 18281, 26607, 54843, 127967, 383901, 895769, 2687307]

約数ペア:

[(1, 2687307), (3, 895769), (7, 383901), (21, 127967), (49, 54843), (101, 26607), (147, 18281), (181, 14847), (303, 8869), (543, 4949), (707, 3801), (1267, 2121)]