47781987

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{223}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 71909376

約数和(自身を除く): 24127389

約数列:

[1, 3, 11, 33, 43, 129, 151, 223, 453, 473, 669, 1419, 1661, 2453, 4983, 6493, 7359, 9589, 19479, 28767, 33673, 71423, 101019, 105479, 214269, 316437, 370403, 1111209, 1447939, 4343817, 15927329, 47781987]

約数ペア:

[(1, 47781987), (3, 15927329), (11, 4343817), (33, 1447939), (43, 1111209), (129, 370403), (151, 316437), (223, 214269), (453, 105479), (473, 101019), (669, 71423), (1419, 33673), (1661, 28767), (2453, 19479), (4983, 9589), (6493, 7359)]