27861795

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 52651872

約数和(自身を除く): 24790077

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 97, 117, 195, 291, 485, 491, 585, 873, 1261, 1455, 1473, 2455, 3783, 4365, 4419, 6305, 6383, 7365, 11349, 18915, 19149, 22095, 31915, 47627, 56745, 57447, 95745, 142881, 238135, 287235, 428643, 619151, 714405, 1857453, 2143215, 3095755, 5572359, 9287265, 27861795]

約数ペア:

[(1, 27861795), (3, 9287265), (5, 5572359), (9, 3095755), (13, 2143215), (15, 1857453), (39, 714405), (45, 619151), (65, 428643), (97, 287235), (117, 238135), (195, 142881), (291, 95745), (485, 57447), (491, 56745), (585, 47627), (873, 31915), (1261, 22095), (1455, 19149), (1473, 18915), (2455, 11349), (3783, 7365), (4365, 6383), (4419, 6305)]