72787071

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{1117}}^1$

素因数の和:1263

約数の個数: 32

約数和(自身を含む): 115914240

約数和(自身を除く): 43127169

約数列:

[1, 3, 7, 21, 29, 87, 107, 203, 321, 609, 749, 1117, 2247, 3103, 3351, 7819, 9309, 21721, 23457, 32393, 65163, 97179, 119519, 226751, 358557, 680253, 836633, 2509899, 3466051, 10398153, 24262357, 72787071]

約数ペア:

[(1, 72787071), (3, 24262357), (7, 10398153), (21, 3466051), (29, 2509899), (87, 836633), (107, 680253), (203, 358557), (321, 226751), (609, 119519), (749, 97179), (1117, 65163), (2247, 32393), (3103, 23457), (3351, 21721), (7819, 9309)]