38019975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 72495360

約数和(自身を除く): 34475385

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 139, 175, 417, 521, 525, 695, 973, 1563, 2085, 2605, 2919, 3475, 3647, 4865, 7815, 10425, 10941, 13025, 14595, 18235, 24325, 39075, 54705, 72419, 72975, 91175, 217257, 273525, 362095, 506933, 1086285, 1520799, 1810475, 2534665, 5431425, 7603995, 12673325, 38019975]

約数ペア:

[(1, 38019975), (3, 12673325), (5, 7603995), (7, 5431425), (15, 2534665), (21, 1810475), (25, 1520799), (35, 1086285), (75, 506933), (105, 362095), (139, 273525), (175, 217257), (417, 91175), (521, 72975), (525, 72419), (695, 54705), (973, 39075), (1563, 24325), (2085, 18235), (2605, 14595), (2919, 13025), (3475, 10941), (3647, 10425), (4865, 7815)]