28560819

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1523}}^1$

素因数の和:1599

約数の個数: 32

約数和(自身を含む): 46817280

約数和(自身を除く): 18256461

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 893, 987, 1523, 2679, 4569, 6251, 10661, 18753, 28937, 31983, 71581, 86811, 202559, 214743, 501067, 607677, 1360039, 1503201, 4080117, 9520273, 28560819]

約数ペア:

[(1, 28560819), (3, 9520273), (7, 4080117), (19, 1503201), (21, 1360039), (47, 607677), (57, 501067), (133, 214743), (141, 202559), (329, 86811), (399, 71581), (893, 31983), (987, 28937), (1523, 18753), (2679, 10661), (4569, 6251)]