69385143

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{191}}^1\times {\mathrm{419}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 99025920

約数和(自身を除く): 29640777

約数列:

[1, 3, 17, 51, 191, 289, 419, 573, 867, 1257, 3247, 7123, 9741, 21369, 55199, 80029, 121091, 165597, 240087, 363273, 1360493, 4081479, 23128381, 69385143]

約数ペア:

[(1, 69385143), (3, 23128381), (17, 4081479), (51, 1360493), (191, 363273), (289, 240087), (419, 165597), (573, 121091), (867, 80029), (1257, 55199), (3247, 21369), (7123, 9741)]