25320645

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2593}}^1$

素因数の和:2642

約数の個数: 48

約数和(自身を含む): 51796992

約数和(自身を除く): 26476347

約数列:

[1, 3, 5, 7, 9, 15, 21, 31, 35, 45, 63, 93, 105, 155, 217, 279, 315, 465, 651, 1085, 1395, 1953, 2593, 3255, 7779, 9765, 12965, 18151, 23337, 38895, 54453, 80383, 90755, 116685, 163359, 241149, 272265, 401915, 562681, 723447, 816795, 1205745, 1688043, 2813405, 3617235, 5064129, 8440215, 25320645]

約数ペア:

[(1, 25320645), (3, 8440215), (5, 5064129), (7, 3617235), (9, 2813405), (15, 1688043), (21, 1205745), (31, 816795), (35, 723447), (45, 562681), (63, 401915), (93, 272265), (105, 241149), (155, 163359), (217, 116685), (279, 90755), (315, 80383), (465, 54453), (651, 38895), (1085, 23337), (1395, 18151), (1953, 12965), (2593, 9765), (3255, 7779)]