127778915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1217}}^1$

素因数の和:1339

約数の個数: 32

約数和(自身を含む): 176795136

約数和(自身を除く): 49016221

約数列:

[1, 5, 11, 23, 55, 83, 115, 253, 415, 913, 1217, 1265, 1909, 4565, 6085, 9545, 13387, 20999, 27991, 66935, 101011, 104995, 139955, 307901, 505055, 1111121, 1539505, 2323253, 5555605, 11616265, 25555783, 127778915]

約数ペア:

[(1, 127778915), (5, 25555783), (11, 11616265), (23, 5555605), (55, 2323253), (83, 1539505), (115, 1111121), (253, 505055), (415, 307901), (913, 139955), (1217, 104995), (1265, 101011), (1909, 66935), (4565, 27991), (6085, 20999), (9545, 13387)]