27999725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{853}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 37804872

約数和(自身を除く): 9805147

約数列:

[1, 5, 13, 25, 65, 101, 325, 505, 853, 1313, 2525, 4265, 6565, 11089, 21325, 32825, 55445, 86153, 277225, 430765, 1119989, 2153825, 5599945, 27999725]

約数ペア:

[(1, 27999725), (5, 5599945), (13, 2153825), (25, 1119989), (65, 430765), (101, 277225), (325, 86153), (505, 55445), (853, 32825), (1313, 21325), (2525, 11089), (4265, 6565)]