2521567335

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{251}}^1\times {\mathrm{397}}^1$

素因数の和:904

約数の個数: 64

約数和(自身を含む): 4660153344

約数和(自身を除く): 2138586009

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 241, 251, 397, 723, 753, 1191, 1205, 1255, 1687, 1757, 1985, 2779, 3615, 3765, 5061, 5271, 5955, 8337, 8435, 8785, 13895, 25305, 26355, 41685, 60491, 95677, 99647, 181473, 287031, 298941, 302455, 423437, 478385, 498235, 669739, 697529, 907365, 1270311, 1435155, 1494705, 2009217, 2092587, 2117185, 3348695, 3487645, 6351555, 10046085, 10462935, 24014927, 72044781, 120074635, 168104489, 360223905, 504313467, 840522445, 2521567335]

約数ペア:

[(1, 2521567335), (3, 840522445), (5, 504313467), (7, 360223905), (15, 168104489), (21, 120074635), (35, 72044781), (105, 24014927), (241, 10462935), (251, 10046085), (397, 6351555), (723, 3487645), (753, 3348695), (1191, 2117185), (1205, 2092587), (1255, 2009217), (1687, 1494705), (1757, 1435155), (1985, 1270311), (2779, 907365), (3615, 697529), (3765, 669739), (5061, 498235), (5271, 478385), (5955, 423437), (8337, 302455), (8435, 298941), (8785, 287031), (13895, 181473), (25305, 99647), (26355, 95677), (41685, 60491)]