129999105

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 242930688

約数和(自身を除く): 112931583

約数列:

[1, 3, 5, 9, 15, 23, 43, 45, 69, 115, 127, 129, 207, 215, 345, 381, 387, 529, 635, 645, 989, 1035, 1143, 1587, 1905, 1935, 2645, 2921, 2967, 4761, 4945, 5461, 5715, 7935, 8763, 8901, 14605, 14835, 16383, 22747, 23805, 26289, 27305, 43815, 44505, 49149, 67183, 68241, 81915, 113735, 125603, 131445, 201549, 204723, 245745, 335915, 341205, 376809, 604647, 628015, 1007745, 1023615, 1130427, 1884045, 2888869, 3023235, 5652135, 8666607, 14444345, 25999821, 43333035, 129999105]

約数ペア:

[(1, 129999105), (3, 43333035), (5, 25999821), (9, 14444345), (15, 8666607), (23, 5652135), (43, 3023235), (45, 2888869), (69, 1884045), (115, 1130427), (127, 1023615), (129, 1007745), (207, 628015), (215, 604647), (345, 376809), (381, 341205), (387, 335915), (529, 245745), (635, 204723), (645, 201549), (989, 131445), (1035, 125603), (1143, 113735), (1587, 81915), (1905, 68241), (1935, 67183), (2645, 49149), (2921, 44505), (2967, 43815), (4761, 27305), (4945, 26289), (5461, 23805), (5715, 22747), (7935, 16383), (8763, 14835), (8901, 14605)]