78901725

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1097}}^1$

素因数の和:1254

約数の個数: 48

約数和(自身を含む): 150311808

約数和(自身を除く): 71410083

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 137, 175, 411, 525, 685, 959, 1097, 2055, 2877, 3291, 3425, 4795, 5485, 7679, 10275, 14385, 16455, 23037, 23975, 27425, 38395, 71925, 82275, 115185, 150289, 191975, 450867, 575925, 751445, 1052023, 2254335, 3156069, 3757225, 5260115, 11271675, 15780345, 26300575, 78901725]

約数ペア:

[(1, 78901725), (3, 26300575), (5, 15780345), (7, 11271675), (15, 5260115), (21, 3757225), (25, 3156069), (35, 2254335), (75, 1052023), (105, 751445), (137, 575925), (175, 450867), (411, 191975), (525, 150289), (685, 115185), (959, 82275), (1097, 71925), (2055, 38395), (2877, 27425), (3291, 23975), (3425, 23037), (4795, 16455), (5485, 14385), (7679, 10275)]