25785783681

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{937}}^1\times {\mathrm{19559}}^1$

素因数の和:20573

約数の個数: 32

約数和(自身を含む): 39923681280

約数和(自身を除く): 14137897599

約数列:

[1, 3, 7, 21, 67, 201, 469, 937, 1407, 2811, 6559, 19559, 19677, 58677, 62779, 136913, 188337, 410739, 439453, 1310453, 1318359, 3931359, 9173171, 18326783, 27519513, 54980349, 128287481, 384862443, 1227894461, 3683683383, 8595261227, 25785783681]

約数ペア:

[(1, 25785783681), (3, 8595261227), (7, 3683683383), (21, 1227894461), (67, 384862443), (201, 128287481), (469, 54980349), (937, 27519513), (1407, 18326783), (2811, 9173171), (6559, 3931359), (19559, 1318359), (19677, 1310453), (58677, 439453), (62779, 410739), (136913, 188337)]