2005478907

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{617}}^1$

素因数の和:947

約数の個数: 32

約数和(自身を含む): 2762153472

約数和(自身を除く): 756674565

約数列:

[1, 3, 67, 103, 157, 201, 309, 471, 617, 1851, 6901, 10519, 16171, 20703, 31557, 41339, 48513, 63551, 96869, 124017, 190653, 290607, 1083457, 3250371, 4257917, 6490223, 9977507, 12773751, 19470669, 29932521, 668492969, 2005478907]

約数ペア:

[(1, 2005478907), (3, 668492969), (67, 29932521), (103, 19470669), (157, 12773751), (201, 9977507), (309, 6490223), (471, 4257917), (617, 3250371), (1851, 1083457), (6901, 290607), (10519, 190653), (16171, 124017), (20703, 96869), (31557, 63551), (41339, 48513)]