131555921

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1\times {\mathrm{1249}}^1$

素因数の和:1664

約数の個数: 16

約数和(自身を含む): 154560000

約数和(自身を除く): 23004079

約数列:

[1, 7, 41, 287, 367, 1249, 2569, 8743, 15047, 51209, 105329, 358463, 458383, 3208681, 18793703, 131555921]

約数ペア:

[(1, 131555921), (7, 18793703), (41, 3208681), (287, 458383), (367, 358463), (1249, 105329), (2569, 51209), (8743, 15047)]