331399809

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{947}}^1\times {\mathrm{997}}^1$

素因数の和:1966

約数の個数: 32

約数和(自身を含む): 529818240

約数和(自身を除く): 198418431

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 947, 997, 2841, 2991, 8523, 8973, 12311, 12961, 25569, 26919, 36933, 38883, 110799, 116649, 332397, 349947, 944159, 2832477, 8497431, 12274067, 25492293, 36822201, 110466603, 331399809]

約数ペア:

[(1, 331399809), (3, 110466603), (9, 36822201), (13, 25492293), (27, 12274067), (39, 8497431), (117, 2832477), (351, 944159), (947, 349947), (997, 332397), (2841, 116649), (2991, 110799), (8523, 38883), (8973, 36933), (12311, 26919), (12961, 25569)]