1213605

素因数分解:

$3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:341

約数の個数: 24

約数和(自身を含む): 2129400

約数和(自身を除く): 915795

約数列:

[1, 3, 5, 9, 15, 45, 149, 181, 447, 543, 745, 905, 1341, 1629, 2235, 2715, 6705, 8145, 26969, 80907, 134845, 242721, 404535, 1213605]

約数ペア:

[(1, 1213605), (3, 404535), (5, 242721), (9, 134845), (15, 80907), (45, 26969), (149, 8145), (181, 6705), (447, 2715), (543, 2235), (745, 1629), (905, 1341)]