28839375

素因数分解:

$3^3\times 5^4\times {\mathrm{1709}}^1$

素因数の和:1738

約数の個数: 40

約数和(自身を含む): 53420400

約数和(自身を除く): 24581025

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 625, 675, 1125, 1709, 1875, 3375, 5127, 5625, 8545, 15381, 16875, 25635, 42725, 46143, 76905, 128175, 213625, 230715, 384525, 640875, 1068125, 1153575, 1922625, 3204375, 5767875, 9613125, 28839375]

約数ペア:

[(1, 28839375), (3, 9613125), (5, 5767875), (9, 3204375), (15, 1922625), (25, 1153575), (27, 1068125), (45, 640875), (75, 384525), (125, 230715), (135, 213625), (225, 128175), (375, 76905), (625, 46143), (675, 42725), (1125, 25635), (1709, 16875), (1875, 15381), (3375, 8545), (5127, 5625)]