9720945

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:247

約数の個数: 64

約数和(自身を含む): 19353600

約数和(自身を除く): 9632655

約数列:

[1, 3, 5, 9, 13, 15, 27, 29, 39, 45, 65, 87, 117, 135, 145, 191, 195, 261, 351, 377, 435, 573, 585, 783, 955, 1131, 1305, 1719, 1755, 1885, 2483, 2865, 3393, 3915, 5157, 5539, 5655, 7449, 8595, 10179, 12415, 16617, 16965, 22347, 25785, 27695, 37245, 49851, 50895, 67041, 72007, 83085, 111735, 149553, 216021, 249255, 335205, 360035, 648063, 747765, 1080105, 1944189, 3240315, 9720945]

約数ペア:

[(1, 9720945), (3, 3240315), (5, 1944189), (9, 1080105), (13, 747765), (15, 648063), (27, 360035), (29, 335205), (39, 249255), (45, 216021), (65, 149553), (87, 111735), (117, 83085), (135, 72007), (145, 67041), (191, 50895), (195, 49851), (261, 37245), (351, 27695), (377, 25785), (435, 22347), (573, 16965), (585, 16617), (783, 12415), (955, 10179), (1131, 8595), (1305, 7449), (1719, 5655), (1755, 5539), (1885, 5157), (2483, 3915), (2865, 3393)]