263290365

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2113}}^1$

素因数の和:2211

約数の個数: 64

約数和(自身を含む): 511418880

約数和(自身を除く): 248128515

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 71, 117, 135, 195, 213, 351, 355, 585, 639, 923, 1065, 1755, 1917, 2113, 2769, 3195, 4615, 6339, 8307, 9585, 10565, 13845, 19017, 24921, 27469, 31695, 41535, 57051, 82407, 95085, 124605, 137345, 150023, 247221, 285255, 412035, 450069, 741663, 750115, 1236105, 1350207, 1950299, 2250345, 3708315, 4050621, 5850897, 6751035, 9751495, 17552691, 20253105, 29254485, 52658073, 87763455, 263290365]

約数ペア:

[(1, 263290365), (3, 87763455), (5, 52658073), (9, 29254485), (13, 20253105), (15, 17552691), (27, 9751495), (39, 6751035), (45, 5850897), (65, 4050621), (71, 3708315), (117, 2250345), (135, 1950299), (195, 1350207), (213, 1236105), (351, 750115), (355, 741663), (585, 450069), (639, 412035), (923, 285255), (1065, 247221), (1755, 150023), (1917, 137345), (2113, 124605), (2769, 95085), (3195, 82407), (4615, 57051), (6339, 41535), (8307, 31695), (9585, 27469), (10565, 24921), (13845, 19017)]