3640815

素因数分解:

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

素因数の和:344

約数の個数: 32

約数和(自身を含む): 6552000

約数和(自身を除く): 2911185

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149, 181, 447, 543, 745, 905, 1341, 1629, 2235, 2715, 4023, 4887, 6705, 8145, 20115, 24435, 26969, 80907, 134845, 242721, 404535, 728163, 1213605, 3640815]

約数ペア:

[(1, 3640815), (3, 1213605), (5, 728163), (9, 404535), (15, 242721), (27, 134845), (45, 80907), (135, 26969), (149, 24435), (181, 20115), (447, 8145), (543, 6705), (745, 4887), (905, 4023), (1341, 2715), (1629, 2235)]