87815115

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{601}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 162279936

約数和(自身を除く): 74464821

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 191, 255, 573, 601, 765, 955, 1719, 1803, 2865, 3005, 3247, 5409, 8595, 9015, 9741, 10217, 16235, 27045, 29223, 30651, 48705, 51085, 91953, 114791, 146115, 153255, 344373, 459765, 573955, 1033119, 1721865, 1951447, 5165595, 5854341, 9757235, 17563023, 29271705, 87815115]

約数ペア:

[(1, 87815115), (3, 29271705), (5, 17563023), (9, 9757235), (15, 5854341), (17, 5165595), (45, 1951447), (51, 1721865), (85, 1033119), (153, 573955), (191, 459765), (255, 344373), (573, 153255), (601, 146115), (765, 114791), (955, 91953), (1719, 51085), (1803, 48705), (2865, 30651), (3005, 29223), (3247, 27045), (5409, 16235), (8595, 10217), (9015, 9741)]