25510515

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 41912640

約数和(自身を除く): 16402125

約数列:

[1, 3, 5, 15, 89, 97, 197, 267, 291, 445, 485, 591, 985, 1335, 1455, 2955, 8633, 17533, 19109, 25899, 43165, 52599, 57327, 87665, 95545, 129495, 262995, 286635, 1700701, 5102103, 8503505, 25510515]

約数ペア:

[(1, 25510515), (3, 8503505), (5, 5102103), (15, 1700701), (89, 286635), (97, 262995), (197, 129495), (267, 95545), (291, 87665), (445, 57327), (485, 52599), (591, 43165), (985, 25899), (1335, 19109), (1455, 17533), (2955, 8633)]