149221521

素因数分解:

$3^4\times {\mathrm{211}}^1\times {\mathrm{8731}}^1$

素因数の和:8954

約数の個数: 20

約数和(自身を含む): 223993264

約数和(自身を除く): 74771743

約数列:

[1, 3, 9, 27, 81, 211, 633, 1899, 5697, 8731, 17091, 26193, 78579, 235737, 707211, 1842241, 5526723, 16580169, 49740507, 149221521]

約数ペア:

[(1, 149221521), (3, 49740507), (9, 16580169), (27, 5526723), (81, 1842241), (211, 707211), (633, 235737), (1899, 78579), (5697, 26193), (8731, 17091)]