25399365

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 41779200

約数和(自身を除く): 16379835

約数列:

[1, 3, 5, 15, 67, 127, 199, 201, 335, 381, 597, 635, 995, 1005, 1905, 2985, 8509, 13333, 25273, 25527, 39999, 42545, 66665, 75819, 126365, 127635, 199995, 379095, 1693291, 5079873, 8466455, 25399365]

約数ペア:

[(1, 25399365), (3, 8466455), (5, 5079873), (15, 1693291), (67, 379095), (127, 199995), (199, 127635), (201, 126365), (335, 75819), (381, 66665), (597, 42545), (635, 39999), (995, 25527), (1005, 25273), (1905, 13333), (2985, 8509)]