28643679669

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1931}}^1\times {\mathrm{6709}}^1$

素因数の和:8721

約数の個数: 32

約数和(自身を含む): 42313582080

約数和(自身を除く): 13669902411

約数列:

[1, 3, 11, 33, 67, 201, 737, 1931, 2211, 5793, 6709, 20127, 21241, 63723, 73799, 129377, 221397, 388131, 449503, 1348509, 1423147, 4269441, 4944533, 12955079, 14833599, 38865237, 142505869, 427517607, 867990293, 2603970879, 9547893223, 28643679669]

約数ペア:

[(1, 28643679669), (3, 9547893223), (11, 2603970879), (33, 867990293), (67, 427517607), (201, 142505869), (737, 38865237), (1931, 14833599), (2211, 12955079), (5793, 4944533), (6709, 4269441), (20127, 1423147), (21241, 1348509), (63723, 449503), (73799, 388131), (129377, 221397)]