28696965

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 51301824

約数和(自身を除く): 22604859

約数列:

[1, 3, 5, 11, 15, 33, 55, 97, 121, 163, 165, 291, 363, 485, 489, 605, 815, 1067, 1455, 1793, 1815, 2445, 3201, 5335, 5379, 8965, 11737, 15811, 16005, 19723, 26895, 35211, 47433, 58685, 59169, 79055, 98615, 173921, 176055, 237165, 295845, 521763, 869605, 1913131, 2608815, 5739393, 9565655, 28696965]

約数ペア:

[(1, 28696965), (3, 9565655), (5, 5739393), (11, 2608815), (15, 1913131), (33, 869605), (55, 521763), (97, 295845), (121, 237165), (163, 176055), (165, 173921), (291, 98615), (363, 79055), (485, 59169), (489, 58685), (605, 47433), (815, 35211), (1067, 26895), (1455, 19723), (1793, 16005), (1815, 15811), (2445, 11737), (3201, 8965), (5335, 5379)]