1390245722883

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{399151801}}^1$

素因数の和:399151856

約数の個数: 20

約数和(自身を含む): 2125084193848

約数和(自身を除く): 734838470965

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 399151801, 1197455403, 3592366209, 10777098627, 17163527443, 32331295881, 51490582329, 154471746987, 463415240961, 1390245722883]

約数ペア:

[(1, 1390245722883), (3, 463415240961), (9, 154471746987), (27, 51490582329), (43, 32331295881), (81, 17163527443), (129, 10777098627), (387, 3592366209), (1161, 1197455403), (3483, 399151801)]