28704543

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{6299}}^1$

素因数の和:6347

約数の個数: 24

約数和(自身を含む): 45964800

約数和(自身を除く): 17260257

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4557, 6299, 18897, 44093, 132279, 195269, 308651, 585807, 925953, 1366883, 4100649, 9568181, 28704543]

約数ペア:

[(1, 28704543), (3, 9568181), (7, 4100649), (21, 1366883), (31, 925953), (49, 585807), (93, 308651), (147, 195269), (217, 132279), (651, 44093), (1519, 18897), (4557, 6299)]