18136875

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{569}}^1$

素因数の和:609

約数の個数: 40

約数和(自身を含む): 32052240

約数和(自身を除く): 13915365

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 569, 625, 1275, 1707, 1875, 2125, 2845, 6375, 8535, 9673, 10625, 14225, 29019, 31875, 42675, 48365, 71125, 145095, 213375, 241825, 355625, 725475, 1066875, 1209125, 3627375, 6045625, 18136875]

約数ペア:

[(1, 18136875), (3, 6045625), (5, 3627375), (15, 1209125), (17, 1066875), (25, 725475), (51, 355625), (75, 241825), (85, 213375), (125, 145095), (255, 71125), (375, 48365), (425, 42675), (569, 31875), (625, 29019), (1275, 14225), (1707, 10625), (1875, 9673), (2125, 8535), (2845, 6375)]