72444981

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 117294144

約数和(自身を除く): 44849163

約数列:

[1, 3, 7, 21, 43, 49, 73, 129, 147, 157, 219, 301, 471, 511, 903, 1099, 1533, 2107, 3139, 3297, 3577, 6321, 6751, 7693, 9417, 10731, 11461, 20253, 21973, 23079, 34383, 47257, 65919, 80227, 141771, 153811, 240681, 330799, 461433, 492823, 561589, 992397, 1478469, 1684767, 3449761, 10349283, 24148327, 72444981]

約数ペア:

[(1, 72444981), (3, 24148327), (7, 10349283), (21, 3449761), (43, 1684767), (49, 1478469), (73, 992397), (129, 561589), (147, 492823), (157, 461433), (219, 330799), (301, 240681), (471, 153811), (511, 141771), (903, 80227), (1099, 65919), (1533, 47257), (2107, 34383), (3139, 23079), (3297, 21973), (3577, 20253), (6321, 11461), (6751, 10731), (7693, 9417)]