207858879

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1031}}^1$

素因数の和:1193

約数の個数: 40

約数和(自身を含む): 329662080

約数和(自身を除く): 121803201

約数列:

[1, 3, 9, 19, 27, 57, 81, 131, 171, 393, 513, 1031, 1179, 1539, 2489, 3093, 3537, 7467, 9279, 10611, 19589, 22401, 27837, 58767, 67203, 83511, 135061, 176301, 201609, 405183, 528903, 1215549, 1586709, 2566159, 3646647, 7698477, 10939941, 23095431, 69286293, 207858879]

約数ペア:

[(1, 207858879), (3, 69286293), (9, 23095431), (19, 10939941), (27, 7698477), (57, 3646647), (81, 2566159), (131, 1586709), (171, 1215549), (393, 528903), (513, 405183), (1031, 201609), (1179, 176301), (1539, 135061), (2489, 83511), (3093, 67203), (3537, 58767), (7467, 27837), (9279, 22401), (10611, 19589)]