31428345

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3931}}^1$

素因数の和:3993

約数の個数: 32

約数和(自身を含む): 55488384

約数和(自身を除く): 24060039

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 2665, 3931, 7995, 11793, 19655, 51103, 58965, 153309, 161171, 255515, 483513, 766545, 805855, 2095223, 2417565, 6285669, 10476115, 31428345]

約数ペア:

[(1, 31428345), (3, 10476115), (5, 6285669), (13, 2417565), (15, 2095223), (39, 805855), (41, 766545), (65, 483513), (123, 255515), (195, 161171), (205, 153309), (533, 58965), (615, 51103), (1599, 19655), (2665, 11793), (3931, 7995)]