123021405

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1861}}^1$

素因数の和:1998

約数の個数: 48

約数和(自身を含む): 231796656

約数和(自身を除く): 108775251

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 113, 117, 195, 339, 565, 585, 1017, 1469, 1695, 1861, 4407, 5085, 5583, 7345, 9305, 13221, 16749, 22035, 24193, 27915, 66105, 72579, 83745, 120965, 210293, 217737, 362895, 630879, 1051465, 1088685, 1892637, 2733809, 3154395, 8201427, 9463185, 13669045, 24604281, 41007135, 123021405]

約数ペア:

[(1, 123021405), (3, 41007135), (5, 24604281), (9, 13669045), (13, 9463185), (15, 8201427), (39, 3154395), (45, 2733809), (65, 1892637), (113, 1088685), (117, 1051465), (195, 630879), (339, 362895), (565, 217737), (585, 210293), (1017, 120965), (1469, 83745), (1695, 72579), (1861, 66105), (4407, 27915), (5085, 24193), (5583, 22035), (7345, 16749), (9305, 13221)]