128625759

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2693}}^1$

素因数の和:2792

約数の個数: 32

約数和(自身を含む): 200433600

約数和(自身を除く): 71807841

約数列:

[1, 3, 9, 27, 29, 61, 87, 183, 261, 549, 783, 1647, 1769, 2693, 5307, 8079, 15921, 24237, 47763, 72711, 78097, 164273, 234291, 492819, 702873, 1478457, 2108619, 4435371, 4763917, 14291751, 42875253, 128625759]

約数ペア:

[(1, 128625759), (3, 42875253), (9, 14291751), (27, 4763917), (29, 4435371), (61, 2108619), (87, 1478457), (183, 702873), (261, 492819), (549, 234291), (783, 164273), (1647, 78097), (1769, 72711), (2693, 47763), (5307, 24237), (8079, 15921)]