28900245

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{15923}}^1$

素因数の和:15953

約数の個数: 24

約数和(自身を含む): 50829408

約数和(自身を除く): 21929163

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 15923, 47769, 79615, 175153, 238845, 525459, 875765, 1926683, 2627295, 5780049, 9633415, 28900245]

約数ペア:

[(1, 28900245), (3, 9633415), (5, 5780049), (11, 2627295), (15, 1926683), (33, 875765), (55, 525459), (121, 238845), (165, 175153), (363, 79615), (605, 47769), (1815, 15923)]