320039991

素因数分解:

$3^5\times {\mathrm{997}}^1\times {\mathrm{1321}}^1$

素因数の和:2333

約数の個数: 24

約数和(自身を含む): 480245584

約数和(自身を除く): 160205593

約数列:

[1, 3, 9, 27, 81, 243, 997, 1321, 2991, 3963, 8973, 11889, 26919, 35667, 80757, 107001, 242271, 321003, 1317037, 3951111, 11853333, 35559999, 106679997, 320039991]

約数ペア:

[(1, 320039991), (3, 106679997), (9, 35559999), (27, 11853333), (81, 3951111), (243, 1317037), (997, 321003), (1321, 242271), (2991, 107001), (3963, 80757), (8973, 35667), (11889, 26919)]