28815825

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{9371}}^1$

素因数の和:9425

約数の個数: 24

約数和(自身を含む): 48809376

約数和(自身を除く): 19993551

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 9371, 28113, 46855, 140565, 234275, 384211, 702825, 1152633, 1921055, 5763165, 9605275, 28815825]

約数ペア:

[(1, 28815825), (3, 9605275), (5, 5763165), (15, 1921055), (25, 1152633), (41, 702825), (75, 384211), (123, 234275), (205, 140565), (615, 46855), (1025, 28113), (3075, 9371)]