28399905

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^2\times {\mathrm{461}}^1$

素因数の和:546

約数の個数: 36

約数和(自身を含む): 50702652

約数和(自身を除く): 22302747

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 461, 555, 1369, 1383, 1665, 2305, 4107, 4149, 6845, 6915, 12321, 17057, 20535, 20745, 51171, 61605, 85285, 153513, 255855, 631109, 767565, 1893327, 3155545, 5679981, 9466635, 28399905]

約数ペア:

[(1, 28399905), (3, 9466635), (5, 5679981), (9, 3155545), (15, 1893327), (37, 767565), (45, 631109), (111, 255855), (185, 153513), (333, 85285), (461, 61605), (555, 51171), (1369, 20745), (1383, 20535), (1665, 17057), (2305, 12321), (4107, 6915), (4149, 6845)]