19902375

素因数分解:

$3^3\times 5^3\times {\mathrm{5897}}^1$

素因数の和:5921

約数の個数: 32

約数和(自身を含む): 36803520

約数和(自身を除く): 16901145

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 675, 1125, 3375, 5897, 17691, 29485, 53073, 88455, 147425, 159219, 265365, 442275, 737125, 796095, 1326825, 2211375, 3980475, 6634125, 19902375]

約数ペア:

[(1, 19902375), (3, 6634125), (5, 3980475), (9, 2211375), (15, 1326825), (25, 796095), (27, 737125), (45, 442275), (75, 265365), (125, 159219), (135, 147425), (225, 88455), (375, 53073), (675, 29485), (1125, 17691), (3375, 5897)]