25999821

素因数分解:

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

素因数の和:222

約数の個数: 36

約数和(自身を含む): 40488448

約数和(自身を除く): 14488627

約数列:

[1, 3, 9, 23, 43, 69, 127, 129, 207, 381, 387, 529, 989, 1143, 1587, 2921, 2967, 4761, 5461, 8763, 8901, 16383, 22747, 26289, 49149, 67183, 68241, 125603, 201549, 204723, 376809, 604647, 1130427, 2888869, 8666607, 25999821]

約数ペア:

[(1, 25999821), (3, 8666607), (9, 2888869), (23, 1130427), (43, 604647), (69, 376809), (127, 204723), (129, 201549), (207, 125603), (381, 68241), (387, 67183), (529, 49149), (989, 26289), (1143, 22747), (1587, 16383), (2921, 8901), (2967, 8763), (4761, 5461)]