28296945

素因数分解:

$3^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:767

約数の個数: 40

約数和(自身を含む): 51270120

約数和(自身を除く): 22973175

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 109, 135, 327, 405, 545, 641, 981, 1635, 1923, 2943, 3205, 4905, 5769, 8829, 9615, 14715, 17307, 28845, 44145, 51921, 69869, 86535, 209607, 259605, 349345, 628821, 1048035, 1886463, 3144105, 5659389, 9432315, 28296945]

約数ペア:

[(1, 28296945), (3, 9432315), (5, 5659389), (9, 3144105), (15, 1886463), (27, 1048035), (45, 628821), (81, 349345), (109, 259605), (135, 209607), (327, 86535), (405, 69869), (545, 51921), (641, 44145), (981, 28845), (1635, 17307), (1923, 14715), (2943, 9615), (3205, 8829), (4905, 5769)]