245700000009

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{11721769}}^1$

素因数の和:11721929

約数の個数: 24

約数和(自身を含む): 378519396840

約数和(自身を除く): 132819396831

約数列:

[1, 3, 9, 17, 51, 137, 153, 411, 1233, 2329, 6987, 20961, 11721769, 35165307, 105495921, 199270073, 597810219, 1605882353, 1793430657, 4817647059, 14452941177, 27300000001, 81900000003, 245700000009]

約数ペア:

[(1, 245700000009), (3, 81900000003), (9, 27300000001), (17, 14452941177), (51, 4817647059), (137, 1793430657), (153, 1605882353), (411, 597810219), (1233, 199270073), (2329, 105495921), (6987, 35165307), (20961, 11721769)]