21927825

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{2377}}^1$

素因数の和:2434

約数の個数: 36

約数和(自身を含む): 40250028

約数和(自身を除く): 18322203

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 205, 225, 369, 615, 1025, 1845, 2377, 3075, 7131, 9225, 11885, 21393, 35655, 59425, 97457, 106965, 178275, 292371, 487285, 534825, 877113, 1461855, 2436425, 4385565, 7309275, 21927825]

約数ペア:

[(1, 21927825), (3, 7309275), (5, 4385565), (9, 2436425), (15, 1461855), (25, 877113), (41, 534825), (45, 487285), (75, 292371), (123, 178275), (205, 106965), (225, 97457), (369, 59425), (615, 35655), (1025, 21393), (1845, 11885), (2377, 9225), (3075, 7131)]