51157659

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{313}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 80464384

約数和(自身を除く): 29306725

約数列:

[1, 3, 7, 21, 43, 129, 181, 301, 313, 543, 903, 939, 1267, 2191, 3801, 6573, 7783, 13459, 23349, 40377, 54481, 56653, 94213, 163443, 169959, 282639, 396571, 1189713, 2436079, 7308237, 17052553, 51157659]

約数ペア:

[(1, 51157659), (3, 17052553), (7, 7308237), (21, 2436079), (43, 1189713), (129, 396571), (181, 282639), (301, 169959), (313, 163443), (543, 94213), (903, 56653), (939, 54481), (1267, 40377), (2191, 23349), (3801, 13459), (6573, 7783)]