20171303235

素因数分解:

$3^4\times 5^1\times {\mathrm{2347}}^1\times {\mathrm{21221}}^1$

素因数の和:23585

約数の個数: 40

約数和(自身を含む): 36176039856

約数和(自身を除く): 16004736621

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2347, 7041, 11735, 21123, 21221, 35205, 63369, 63663, 105615, 106105, 190107, 190989, 316845, 318315, 572967, 950535, 954945, 1718901, 2864835, 8594505, 49805687, 149417061, 249028435, 448251183, 747085305, 1344753549, 2241255915, 4034260647, 6723767745, 20171303235]

約数ペア:

[(1, 20171303235), (3, 6723767745), (5, 4034260647), (9, 2241255915), (15, 1344753549), (27, 747085305), (45, 448251183), (81, 249028435), (135, 149417061), (405, 49805687), (2347, 8594505), (7041, 2864835), (11735, 1718901), (21123, 954945), (21221, 950535), (35205, 572967), (63369, 318315), (63663, 316845), (105615, 190989), (106105, 190107)]