142578387

素因数分解:

$3^4\times 7^2\times {\mathrm{35923}}^1$

素因数の和:35949

約数の個数: 30

約数和(自身を含む): 247767828

約数和(自身を除く): 105189441

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 35923, 107769, 251461, 323307, 754383, 969921, 1760227, 2263149, 2909763, 5280681, 6789447, 15842043, 20368341, 47526129, 142578387]

約数ペア:

[(1, 142578387), (3, 47526129), (7, 20368341), (9, 15842043), (21, 6789447), (27, 5280681), (49, 2909763), (63, 2263149), (81, 1760227), (147, 969921), (189, 754383), (441, 323307), (567, 251461), (1323, 107769), (3969, 35923)]