131172279

素因数分解:

$3^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{16481}}^1$

素因数の和:16870

約数の個数: 16

約数和(自身を含む): 200421120

約数和(自身を除く): 69248841

約数列:

[1, 3, 7, 21, 379, 1137, 2653, 7959, 16481, 49443, 115367, 346101, 6246299, 18738897, 43724093, 131172279]

約数ペア:

[(1, 131172279), (3, 43724093), (7, 18738897), (21, 6246299), (379, 346101), (1137, 115367), (2653, 49443), (7959, 16481)]