201151721

素因数分解:

${\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:365

約数の個数: 24

約数和(自身を含む): 221907840

約数和(自身を除く): 20756119

約数列:

[1, 23, 37, 43, 239, 529, 851, 989, 1591, 5497, 8843, 10277, 19573, 22747, 36593, 126431, 203389, 236371, 380249, 841639, 4677947, 5436533, 8745727, 201151721]

約数ペア:

[(1, 201151721), (23, 8745727), (37, 5436533), (43, 4677947), (239, 841639), (529, 380249), (851, 236371), (989, 203389), (1591, 126431), (5497, 36593), (8843, 22747), (10277, 19573)]