393756669

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{6113}}^1$

素因数の和:6557

約数の個数: 24

約数和(自身を含む): 603745272

約数和(自身を除く): 209988603

約数列:

[1, 3, 9, 17, 51, 153, 421, 1263, 3789, 6113, 7157, 18339, 21471, 55017, 64413, 103921, 311763, 935289, 2573573, 7720719, 23162157, 43750741, 131252223, 393756669]

約数ペア:

[(1, 393756669), (3, 131252223), (9, 43750741), (17, 23162157), (51, 7720719), (153, 2573573), (421, 935289), (1263, 311763), (3789, 103921), (6113, 64413), (7157, 55017), (18339, 21471)]