2405565

素因数分解:

$3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 4343040

約数和(自身を除く): 1937475

約数列:

[1, 3, 5, 9, 15, 27, 45, 103, 135, 173, 309, 515, 519, 865, 927, 1545, 1557, 2595, 2781, 4635, 4671, 7785, 13905, 17819, 23355, 53457, 89095, 160371, 267285, 481113, 801855, 2405565]

約数ペア:

[(1, 2405565), (3, 801855), (5, 481113), (9, 267285), (15, 160371), (27, 89095), (45, 53457), (103, 23355), (135, 17819), (173, 13905), (309, 7785), (515, 4671), (519, 4635), (865, 2781), (927, 2595), (1545, 1557)]