81921318

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{98227}}^1$

素因数の和:98371

約数の個数: 16

約数和(自身を含む): 165023040

約数和(自身を除く): 83101722

約数列:

[1, 2, 3, 6, 139, 278, 417, 834, 98227, 196454, 294681, 589362, 13653553, 27307106, 40960659, 81921318]

約数ペア:

[(1, 81921318), (2, 40960659), (3, 27307106), (6, 13653553), (139, 589362), (278, 294681), (417, 196454), (834, 98227)]