28439625

素因数分解:

$3^1\times 5^3\times {\mathrm{181}}^1\times {\mathrm{419}}^1$

素因数の和:618

約数の個数: 32

約数和(自身を含む): 47698560

約数和(自身を除く): 19258935

約数列:

[1, 3, 5, 15, 25, 75, 125, 181, 375, 419, 543, 905, 1257, 2095, 2715, 4525, 6285, 10475, 13575, 22625, 31425, 52375, 67875, 75839, 157125, 227517, 379195, 1137585, 1895975, 5687925, 9479875, 28439625]

約数ペア:

[(1, 28439625), (3, 9479875), (5, 5687925), (15, 1895975), (25, 1137585), (75, 379195), (125, 227517), (181, 157125), (375, 75839), (419, 67875), (543, 52375), (905, 31425), (1257, 22625), (2095, 13575), (2715, 10475), (4525, 6285)]