8721075

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{31}}^2$

素因数の和:97

約数の個数: 54

約数和(自身を含む): 16376556

約数和(自身を除く): 7655481

約数列:

[1, 3, 5, 11, 15, 25, 31, 33, 55, 75, 93, 121, 155, 165, 275, 341, 363, 465, 605, 775, 825, 961, 1023, 1705, 1815, 2325, 2883, 3025, 3751, 4805, 5115, 8525, 9075, 10571, 11253, 14415, 18755, 24025, 25575, 31713, 52855, 56265, 72075, 93775, 116281, 158565, 264275, 281325, 348843, 581405, 792825, 1744215, 2907025, 8721075]

約数ペア:

[(1, 8721075), (3, 2907025), (5, 1744215), (11, 792825), (15, 581405), (25, 348843), (31, 281325), (33, 264275), (55, 158565), (75, 116281), (93, 93775), (121, 72075), (155, 56265), (165, 52855), (275, 31713), (341, 25575), (363, 24025), (465, 18755), (605, 14415), (775, 11253), (825, 10571), (961, 9075), (1023, 8525), (1705, 5115), (1815, 4805), (2325, 3751), (2883, 3025)]