15982005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1999}}^1$

素因数の和:2061

約数の個数: 32

約数和(自身を含む): 28224000

約数和(自身を除く): 12241995

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 1999, 2665, 5997, 7995, 9995, 25987, 29985, 77961, 81959, 129935, 245877, 389805, 409795, 1065467, 1229385, 3196401, 5327335, 15982005]

約数ペア:

[(1, 15982005), (3, 5327335), (5, 3196401), (13, 1229385), (15, 1065467), (39, 409795), (41, 389805), (65, 245877), (123, 129935), (195, 81959), (205, 77961), (533, 29985), (615, 25987), (1599, 9995), (1999, 7995), (2665, 5997)]