201765879

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{11159}}^1$

素因数の和:11220

約数の個数: 36

約数和(自身を含む): 347321520

約数和(自身を除く): 145555641

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 369, 441, 861, 2009, 2583, 6027, 11159, 18081, 33477, 78113, 100431, 234339, 457519, 546791, 703017, 1372557, 1640373, 3202633, 4117671, 4921119, 9607899, 22418431, 28823697, 67255293, 201765879]

約数ペア:

[(1, 201765879), (3, 67255293), (7, 28823697), (9, 22418431), (21, 9607899), (41, 4921119), (49, 4117671), (63, 3202633), (123, 1640373), (147, 1372557), (287, 703017), (369, 546791), (441, 457519), (861, 234339), (2009, 100431), (2583, 78113), (6027, 33477), (11159, 18081)]