129401223

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{1009}}^1$

素因数の和:1247

約数の個数: 32

約数和(自身を含む): 204779520

約数和(自身を除く): 75378297

約数列:

[1, 3, 7, 21, 31, 93, 197, 217, 591, 651, 1009, 1379, 3027, 4137, 6107, 7063, 18321, 21189, 31279, 42749, 93837, 128247, 198773, 218953, 596319, 656859, 1391411, 4174233, 6161963, 18485889, 43133741, 129401223]

約数ペア:

[(1, 129401223), (3, 43133741), (7, 18485889), (21, 6161963), (31, 4174233), (93, 1391411), (197, 656859), (217, 596319), (591, 218953), (651, 198773), (1009, 128247), (1379, 93837), (3027, 42749), (4137, 31279), (6107, 21189), (7063, 18321)]