1220775

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:451

約数の個数: 24

約数和(自身を含む): 2072784

約数和(自身を除く): 852009

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 397, 615, 1025, 1191, 1985, 3075, 5955, 9925, 16277, 29775, 48831, 81385, 244155, 406925, 1220775]

約数ペア:

[(1, 1220775), (3, 406925), (5, 244155), (15, 81385), (25, 48831), (41, 29775), (75, 16277), (123, 9925), (205, 5955), (397, 3075), (615, 1985), (1025, 1191)]