2065815

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1583}}^1$

素因数の和:1623

約数の個数: 24

約数和(自身を含む): 3706560

約数和(自身を除く): 1640745

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 1583, 4749, 7915, 14247, 23745, 45907, 71235, 137721, 229535, 413163, 688605, 2065815]

約数ペア:

[(1, 2065815), (3, 688605), (5, 413163), (9, 229535), (15, 137721), (29, 71235), (45, 45907), (87, 23745), (145, 14247), (261, 7915), (435, 4749), (1305, 1583)]