81847935

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{313}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 158256000

約数和(自身を除く): 76408065

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 149, 195, 313, 351, 447, 585, 745, 939, 1341, 1565, 1755, 1937, 2235, 2817, 4023, 4069, 4695, 5811, 6705, 8451, 9685, 12207, 14085, 17433, 20115, 20345, 29055, 36621, 42255, 46637, 52299, 61035, 87165, 109863, 139911, 183105, 233185, 261495, 419733, 549315, 606281, 699555, 1259199, 1818843, 2098665, 3031405, 5456529, 6295995, 9094215, 16369587, 27282645, 81847935]

約数ペア:

[(1, 81847935), (3, 27282645), (5, 16369587), (9, 9094215), (13, 6295995), (15, 5456529), (27, 3031405), (39, 2098665), (45, 1818843), (65, 1259199), (117, 699555), (135, 606281), (149, 549315), (195, 419733), (313, 261495), (351, 233185), (447, 183105), (585, 139911), (745, 109863), (939, 87165), (1341, 61035), (1565, 52299), (1755, 46637), (1937, 42255), (2235, 36621), (2817, 29055), (4023, 20345), (4069, 20115), (4695, 17433), (5811, 14085), (6705, 12207), (8451, 9685)]