105705825

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 181684800

約数和(自身を除く): 75978975

約数列:

[1, 3, 5, 15, 25, 43, 73, 75, 129, 215, 219, 365, 449, 645, 1075, 1095, 1347, 1825, 2245, 3139, 3225, 5475, 6735, 9417, 11225, 15695, 19307, 32777, 33675, 47085, 57921, 78475, 96535, 98331, 163885, 235425, 289605, 482675, 491655, 819425, 1409411, 1448025, 2458275, 4228233, 7047055, 21141165, 35235275, 105705825]

約数ペア:

[(1, 105705825), (3, 35235275), (5, 21141165), (15, 7047055), (25, 4228233), (43, 2458275), (73, 1448025), (75, 1409411), (129, 819425), (215, 491655), (219, 482675), (365, 289605), (449, 235425), (645, 163885), (1075, 98331), (1095, 96535), (1347, 78475), (1825, 57921), (2245, 47085), (3139, 33675), (3225, 32777), (5475, 19307), (6735, 15695), (9417, 11225)]