470147247

素因数分解:

$3^4\times {\mathrm{991}}^1\times {\mathrm{5857}}^1$

素因数の和:6860

約数の個数: 20

約数和(自身を含む): 703147456

約数和(自身を除く): 233000209

約数列:

[1, 3, 9, 27, 81, 991, 2973, 5857, 8919, 17571, 26757, 52713, 80271, 158139, 474417, 5804287, 17412861, 52238583, 156715749, 470147247]

約数ペア:

[(1, 470147247), (3, 156715749), (9, 52238583), (27, 17412861), (81, 5804287), (991, 474417), (2973, 158139), (5857, 80271), (8919, 52713), (17571, 26757)]