127990975

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31799}}^1$

素因数の和:31839

約数の個数: 24

約数和(自身を含む): 189273600

約数和(自身を除く): 61282625

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 31799, 158995, 222593, 731377, 794975, 1112965, 3656885, 5119639, 5564825, 18284425, 25598195, 127990975]

約数ペア:

[(1, 127990975), (5, 25598195), (7, 18284425), (23, 5564825), (25, 5119639), (35, 3656885), (115, 1112965), (161, 794975), (175, 731377), (575, 222593), (805, 158995), (4025, 31799)]