201916407

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{647}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 343948032

約数和(自身を除く): 142031625

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 193, 231, 539, 579, 647, 1351, 1617, 1941, 2123, 4053, 4529, 6369, 7117, 9457, 13587, 14861, 21351, 28371, 31703, 44583, 49819, 95109, 104027, 124871, 149457, 312081, 348733, 374613, 874097, 1046199, 1373581, 2622291, 4120743, 6118679, 9615067, 18356037, 28845201, 67305469, 201916407]

約数ペア:

[(1, 201916407), (3, 67305469), (7, 28845201), (11, 18356037), (21, 9615067), (33, 6118679), (49, 4120743), (77, 2622291), (147, 1373581), (193, 1046199), (231, 874097), (539, 374613), (579, 348733), (647, 312081), (1351, 149457), (1617, 124871), (1941, 104027), (2123, 95109), (4053, 49819), (4529, 44583), (6369, 31703), (7117, 28371), (9457, 21351), (13587, 14861)]