18742125

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:135

約数の個数: 64

約数和(自身を含む): 33965568

約数和(自身を除く): 15223443

約数列:

[1, 3, 5, 15, 23, 25, 41, 53, 69, 75, 115, 123, 125, 159, 205, 265, 345, 375, 575, 615, 795, 943, 1025, 1219, 1325, 1725, 2173, 2829, 2875, 3075, 3657, 3975, 4715, 5125, 6095, 6519, 6625, 8625, 10865, 14145, 15375, 18285, 19875, 23575, 30475, 32595, 49979, 54325, 70725, 91425, 117875, 149937, 152375, 162975, 249895, 271625, 353625, 457125, 749685, 814875, 1249475, 3748425, 6247375, 18742125]

約数ペア:

[(1, 18742125), (3, 6247375), (5, 3748425), (15, 1249475), (23, 814875), (25, 749685), (41, 457125), (53, 353625), (69, 271625), (75, 249895), (115, 162975), (123, 152375), (125, 149937), (159, 117875), (205, 91425), (265, 70725), (345, 54325), (375, 49979), (575, 32595), (615, 30475), (795, 23575), (943, 19875), (1025, 18285), (1219, 15375), (1325, 14145), (1725, 10865), (2173, 8625), (2829, 6625), (2875, 6519), (3075, 6095), (3657, 5125), (3975, 4715)]