28896399

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3253}}^1$

素因数の和:3316

約数の個数: 32

約数和(自身を含む): 49981440

約数和(自身を除く): 21085041

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2961, 3253, 8883, 9759, 22771, 29277, 68313, 87831, 152891, 204939, 458673, 614817, 1070237, 1376019, 3210711, 4128057, 9632133, 28896399]

約数ペア:

[(1, 28896399), (3, 9632133), (7, 4128057), (9, 3210711), (21, 1376019), (27, 1070237), (47, 614817), (63, 458673), (141, 204939), (189, 152891), (329, 87831), (423, 68313), (987, 29277), (1269, 22771), (2961, 9759), (3253, 8883)]