399194637

素因数分解:

$3^1\times {\mathrm{89}}^2\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 546798816

約数和(自身を除く): 147604179

約数列:

[1, 3, 89, 107, 157, 267, 321, 471, 7921, 9523, 13973, 16799, 23763, 28569, 41919, 50397, 847547, 1243597, 1495111, 2542641, 3730791, 4485333, 133064879, 399194637]

約数ペア:

[(1, 399194637), (3, 133064879), (89, 4485333), (107, 3730791), (157, 2542641), (267, 1495111), (321, 1243597), (471, 847547), (7921, 50397), (9523, 41919), (13973, 28569), (16799, 23763)]