1890147195

素因数分解:

$3^2\times 5^1\times {\mathrm{42003271}}^1$

素因数の和:42003282

約数の個数: 12

約数和(自身を含む): 3276255216

約数和(自身を除く): 1386108021

約数列:

[1, 3, 5, 9, 15, 45, 42003271, 126009813, 210016355, 378029439, 630049065, 1890147195]

約数ペア:

[(1, 1890147195), (3, 630049065), (5, 378029439), (9, 210016355), (15, 126009813), (45, 42003271)]