1998585

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1931}}^1$

素因数の和:1965

約数の個数: 24

約数和(自身を含む): 3616704

約数和(自身を除く): 1618119

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 1931, 5793, 9655, 17379, 28965, 44413, 86895, 133239, 222065, 399717, 666195, 1998585]

約数ペア:

[(1, 1998585), (3, 666195), (5, 399717), (9, 222065), (15, 133239), (23, 86895), (45, 44413), (69, 28965), (115, 17379), (207, 9655), (345, 5793), (1035, 1931)]