28949805

素因数分解:

$3^5\times 5^1\times {\mathrm{23827}}^1$

素因数の和:23847

約数の個数: 24

約数和(自身を含む): 52040352

約数和(自身を除く): 23090547

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 23827, 71481, 119135, 214443, 357405, 643329, 1072215, 1929987, 3216645, 5789961, 9649935, 28949805]

約数ペア:

[(1, 28949805), (3, 9649935), (5, 5789961), (9, 3216645), (15, 1929987), (27, 1072215), (45, 643329), (81, 357405), (135, 214443), (243, 119135), (405, 71481), (1215, 23827)]