1989615

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:183

約数の個数: 32

約数和(自身を含む): 3409920

約数和(自身を除く): 1420305

約数列:

[1, 3, 5, 15, 23, 69, 73, 79, 115, 219, 237, 345, 365, 395, 1095, 1185, 1679, 1817, 5037, 5451, 5767, 8395, 9085, 17301, 25185, 27255, 28835, 86505, 132641, 397923, 663205, 1989615]

約数ペア:

[(1, 1989615), (3, 663205), (5, 397923), (15, 132641), (23, 86505), (69, 28835), (73, 27255), (79, 25185), (115, 17301), (219, 9085), (237, 8395), (345, 5767), (365, 5451), (395, 5037), (1095, 1817), (1185, 1679)]