28397835

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{4969}}^1$

素因数の和:5107

約数の個数: 24

約数和(自身を含む): 49620480

約数和(自身を除く): 21222645

約数列:

[1, 3, 5, 9, 15, 45, 127, 381, 635, 1143, 1905, 4969, 5715, 14907, 24845, 44721, 74535, 223605, 631063, 1893189, 3155315, 5679567, 9465945, 28397835]

約数ペア:

[(1, 28397835), (3, 9465945), (5, 5679567), (9, 3155315), (15, 1893189), (45, 631063), (127, 223605), (381, 74535), (635, 44721), (1143, 24845), (1905, 14907), (4969, 5715)]