28385235

素因数分解:

$3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{643}}^1$

素因数の和:769

約数の個数: 40

約数和(自身を含む): 51429840

約数和(自身を除く): 23044605

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 109, 135, 327, 405, 545, 643, 981, 1635, 1929, 2943, 3215, 4905, 5787, 8829, 9645, 14715, 17361, 28935, 44145, 52083, 70087, 86805, 210261, 260415, 350435, 630783, 1051305, 1892349, 3153915, 5677047, 9461745, 28385235]

約数ペア:

[(1, 28385235), (3, 9461745), (5, 5677047), (9, 3153915), (15, 1892349), (27, 1051305), (45, 630783), (81, 350435), (109, 260415), (135, 210261), (327, 86805), (405, 70087), (545, 52083), (643, 44145), (981, 28935), (1635, 17361), (1929, 14715), (2943, 9645), (3215, 8829), (4905, 5787)]