254236425

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2543}}^1$

素因数の和:2630

約数の個数: 48

約数和(自身を含む): 444162048

約数和(自身を除く): 189925623

約数列:

[1, 3, 5, 15, 25, 31, 43, 75, 93, 129, 155, 215, 465, 645, 775, 1075, 1333, 2325, 2543, 3225, 3999, 6665, 7629, 12715, 19995, 33325, 38145, 63575, 78833, 99975, 109349, 190725, 236499, 328047, 394165, 546745, 1182495, 1640235, 1970825, 2733725, 3389819, 5912475, 8201175, 10169457, 16949095, 50847285, 84745475, 254236425]

約数ペア:

[(1, 254236425), (3, 84745475), (5, 50847285), (15, 16949095), (25, 10169457), (31, 8201175), (43, 5912475), (75, 3389819), (93, 2733725), (129, 1970825), (155, 1640235), (215, 1182495), (465, 546745), (645, 394165), (775, 328047), (1075, 236499), (1333, 190725), (2325, 109349), (2543, 99975), (3225, 78833), (3999, 63575), (6665, 38145), (7629, 33325), (12715, 19995)]