102920139

素因数分解:

$3^4\times 7^2\times {\mathrm{25931}}^1$

素因数の和:25957

約数の個数: 30

約数和(自身を含む): 178853004

約数和(自身を除く): 75932865

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 25931, 77793, 181517, 233379, 544551, 700137, 1270619, 1633653, 2100411, 3811857, 4900959, 11435571, 14702877, 34306713, 102920139]

約数ペア:

[(1, 102920139), (3, 34306713), (7, 14702877), (9, 11435571), (21, 4900959), (27, 3811857), (49, 2100411), (63, 1633653), (81, 1270619), (147, 700137), (189, 544551), (441, 233379), (567, 181517), (1323, 77793), (3969, 25931)]