31192785

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{751}}^1$

素因数の和:846

約数の個数: 48

約数和(自身を含む): 59125248

約数和(自身を除く): 27932463

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 71, 117, 195, 213, 355, 585, 639, 751, 923, 1065, 2253, 2769, 3195, 3755, 4615, 6759, 8307, 9763, 11265, 13845, 29289, 33795, 41535, 48815, 53321, 87867, 146445, 159963, 266605, 439335, 479889, 693173, 799815, 2079519, 2399445, 3465865, 6238557, 10397595, 31192785]

約数ペア:

[(1, 31192785), (3, 10397595), (5, 6238557), (9, 3465865), (13, 2399445), (15, 2079519), (39, 799815), (45, 693173), (65, 479889), (71, 439335), (117, 266605), (195, 159963), (213, 146445), (355, 87867), (585, 53321), (639, 48815), (751, 41535), (923, 33795), (1065, 29289), (2253, 13845), (2769, 11265), (3195, 9763), (3755, 8307), (4615, 6759)]