20161465947

素因数分解:

$3^4\times 7^1\times {\mathrm{167}}^1\times {\mathrm{212923}}^1$

素因数の和:213109

約数の個数: 40

約数和(自身を含む): 34626552576

約数和(自身を除く): 14465086629

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 167, 189, 501, 567, 1169, 1503, 3507, 4509, 10521, 13527, 31563, 94689, 212923, 638769, 1490461, 1916307, 4471383, 5748921, 13414149, 17246763, 35558141, 40242447, 106674423, 120727341, 248906987, 320023269, 746720961, 960069807, 2240162883, 2880209421, 6720488649, 20161465947]

約数ペア:

[(1, 20161465947), (3, 6720488649), (7, 2880209421), (9, 2240162883), (21, 960069807), (27, 746720961), (63, 320023269), (81, 248906987), (167, 120727341), (189, 106674423), (501, 40242447), (567, 35558141), (1169, 17246763), (1503, 13414149), (3507, 5748921), (4509, 4471383), (10521, 1916307), (13527, 1490461), (31563, 638769), (94689, 212923)]