9718878981

素因数分解:

$3^1\times 7^2\times {\mathrm{503}}^1\times {\mathrm{131441}}^1$

素因数の和:131961

約数の個数: 24

約数和(自身を含む): 15104263104

約数和(自身を除く): 5385384123

約数列:

[1, 3, 7, 21, 49, 147, 503, 1509, 3521, 10563, 24647, 73941, 131441, 394323, 920087, 2760261, 6440609, 19321827, 66114823, 198344469, 462803761, 1388411283, 3239626327, 9718878981]

約数ペア:

[(1, 9718878981), (3, 3239626327), (7, 1388411283), (21, 462803761), (49, 198344469), (147, 66114823), (503, 19321827), (1509, 6440609), (3521, 2760261), (10563, 920087), (24647, 394323), (73941, 131441)]