40808505

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{419}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 67415040

約数和(自身を除く): 26606535

約数列:

[1, 3, 5, 15, 43, 129, 151, 215, 419, 453, 645, 755, 1257, 2095, 2265, 6285, 6493, 18017, 19479, 32465, 54051, 63269, 90085, 97395, 189807, 270255, 316345, 949035, 2720567, 8161701, 13602835, 40808505]

約数ペア:

[(1, 40808505), (3, 13602835), (5, 8161701), (15, 2720567), (43, 949035), (129, 316345), (151, 270255), (215, 189807), (419, 97395), (453, 90085), (645, 63269), (755, 54051), (1257, 32465), (2095, 19479), (2265, 18017), (6285, 6493)]