28904805

素因数分解:

$3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{9587}}^1$

素因数の和:9665

約数の個数: 24

約数和(自身を含む): 50854752

約数和(自身を除く): 21949947

約数列:

[1, 3, 5, 9, 15, 45, 67, 201, 335, 603, 1005, 3015, 9587, 28761, 47935, 86283, 143805, 431415, 642329, 1926987, 3211645, 5780961, 9634935, 28904805]

約数ペア:

[(1, 28904805), (3, 9634935), (5, 5780961), (9, 3211645), (15, 1926987), (45, 642329), (67, 431415), (201, 143805), (335, 86283), (603, 47935), (1005, 28761), (3015, 9587)]