31508769591

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{64381}}^1$

素因数の和:64536

約数の個数: 48

約数和(自身を含む): 50619703680

約数和(自身を除く): 19110934089

約数列:

[1, 3, 9, 13, 39, 47, 89, 117, 141, 267, 423, 611, 801, 1157, 1833, 3471, 4183, 5499, 10413, 12549, 37647, 54379, 64381, 163137, 193143, 489411, 579429, 836953, 2510859, 3025907, 5729909, 7532577, 9077721, 17189727, 27233163, 39336791, 51569181, 74488817, 118010373, 223466451, 269305723, 354031119, 670399353, 807917169, 2423751507, 3500974399, 10502923197, 31508769591]

約数ペア:

[(1, 31508769591), (3, 10502923197), (9, 3500974399), (13, 2423751507), (39, 807917169), (47, 670399353), (89, 354031119), (117, 269305723), (141, 223466451), (267, 118010373), (423, 74488817), (611, 51569181), (801, 39336791), (1157, 27233163), (1833, 17189727), (3471, 9077721), (4183, 7532577), (5499, 5729909), (10413, 3025907), (12549, 2510859), (37647, 836953), (54379, 579429), (64381, 489411), (163137, 193143)]