28038555

素因数分解:

$3^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 51577344

約数和(自身を除く): 23538789

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 81, 135, 141, 235, 243, 405, 423, 491, 705, 1215, 1269, 1473, 2115, 2455, 3807, 4419, 6345, 7365, 11421, 13257, 19035, 22095, 23077, 39771, 57105, 66285, 69231, 115385, 119313, 198855, 207693, 346155, 596565, 623079, 1038465, 1869237, 3115395, 5607711, 9346185, 28038555]

約数ペア:

[(1, 28038555), (3, 9346185), (5, 5607711), (9, 3115395), (15, 1869237), (27, 1038465), (45, 623079), (47, 596565), (81, 346155), (135, 207693), (141, 198855), (235, 119313), (243, 115385), (405, 69231), (423, 66285), (491, 57105), (705, 39771), (1215, 23077), (1269, 22095), (1473, 19035), (2115, 13257), (2455, 11421), (3807, 7365), (4419, 6345)]