81777465

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7867}}^1$

素因数の和:7899

約数の個数: 64

約数和(自身を含む): 181278720

約数和(自身を除く): 99501255

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 55, 63, 77, 99, 105, 135, 165, 189, 231, 297, 315, 385, 495, 693, 945, 1155, 1485, 2079, 3465, 7867, 10395, 23601, 39335, 55069, 70803, 86537, 118005, 165207, 212409, 259611, 275345, 354015, 432685, 495621, 605759, 778833, 826035, 1062045, 1298055, 1486863, 1817277, 2336499, 2478105, 3028795, 3894165, 5451831, 7434315, 9086385, 11682495, 16355493, 27259155, 81777465]

約数ペア:

[(1, 81777465), (3, 27259155), (5, 16355493), (7, 11682495), (9, 9086385), (11, 7434315), (15, 5451831), (21, 3894165), (27, 3028795), (33, 2478105), (35, 2336499), (45, 1817277), (55, 1486863), (63, 1298055), (77, 1062045), (99, 826035), (105, 778833), (135, 605759), (165, 495621), (189, 432685), (231, 354015), (297, 275345), (315, 259611), (385, 212409), (495, 165207), (693, 118005), (945, 86537), (1155, 70803), (1485, 55069), (2079, 39335), (3465, 23601), (7867, 10395)]