28298319

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2557}}^1$

素因数の和:2615

約数の個数: 32

約数和(自身を含む): 47149056

約数和(自身を除く): 18850737

約数列:

[1, 3, 7, 17, 21, 31, 51, 93, 119, 217, 357, 527, 651, 1581, 2557, 3689, 7671, 11067, 17899, 43469, 53697, 79267, 130407, 237801, 304283, 554869, 912849, 1347539, 1664607, 4042617, 9432773, 28298319]

約数ペア:

[(1, 28298319), (3, 9432773), (7, 4042617), (17, 1664607), (21, 1347539), (31, 912849), (51, 554869), (93, 304283), (119, 237801), (217, 130407), (357, 79267), (527, 53697), (651, 43469), (1581, 17899), (2557, 11067), (3689, 7671)]