210913155

素因数分解:

$3^2\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{2347}}^1$

素因数の和:4355

約数の個数: 24

約数和(自身を含む): 365921712

約数和(自身を除く): 155008557

約数列:

[1, 3, 5, 9, 15, 45, 1997, 2347, 5991, 7041, 9985, 11735, 17973, 21123, 29955, 35205, 89865, 105615, 4686959, 14060877, 23434795, 42182631, 70304385, 210913155]

約数ペア:

[(1, 210913155), (3, 70304385), (5, 42182631), (9, 23434795), (15, 14060877), (45, 4686959), (1997, 105615), (2347, 89865), (5991, 35205), (7041, 29955), (9985, 21123), (11735, 17973)]