4213785

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 7096320

約数和(自身を除く): 2882535

約数列:

[1, 3, 5, 15, 43, 47, 129, 139, 141, 215, 235, 417, 645, 695, 705, 2021, 2085, 5977, 6063, 6533, 10105, 17931, 19599, 29885, 30315, 32665, 89655, 97995, 280919, 842757, 1404595, 4213785]

約数ペア:

[(1, 4213785), (3, 1404595), (5, 842757), (15, 280919), (43, 97995), (47, 89655), (129, 32665), (139, 30315), (141, 29885), (215, 19599), (235, 17931), (417, 10105), (645, 6533), (695, 6063), (705, 5977), (2021, 2085)]