16786425

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 29248128

約数和(自身を除く): 12461703

約数列:

[1, 3, 5, 15, 25, 41, 53, 75, 103, 123, 159, 205, 265, 309, 515, 615, 795, 1025, 1325, 1545, 2173, 2575, 3075, 3975, 4223, 5459, 6519, 7725, 10865, 12669, 16377, 21115, 27295, 32595, 54325, 63345, 81885, 105575, 136475, 162975, 223819, 316725, 409425, 671457, 1119095, 3357285, 5595475, 16786425]

約数ペア:

[(1, 16786425), (3, 5595475), (5, 3357285), (15, 1119095), (25, 671457), (41, 409425), (53, 316725), (75, 223819), (103, 162975), (123, 136475), (159, 105575), (205, 81885), (265, 63345), (309, 54325), (515, 32595), (615, 27295), (795, 21115), (1025, 16377), (1325, 12669), (1545, 10865), (2173, 7725), (2575, 6519), (3075, 5459), (3975, 4223)]