28607607

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6581}}^1$

素因数の和:6620

約数の個数: 32

約数和(自身を含む): 50549760

約数和(自身を除く): 21942153

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 6581, 19743, 46067, 59229, 138201, 151363, 177687, 414603, 454089, 1059541, 1243809, 1362267, 3178623, 4086801, 9535869, 28607607]

約数ペア:

[(1, 28607607), (3, 9535869), (7, 4086801), (9, 3178623), (21, 1362267), (23, 1243809), (27, 1059541), (63, 454089), (69, 414603), (161, 177687), (189, 151363), (207, 138201), (483, 59229), (621, 46067), (1449, 19743), (4347, 6581)]