393311235

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{15901}}^1$

素因数の和:16023

約数の個数: 32

約数和(自身を含む): 673227072

約数和(自身を除く): 279915837

約数列:

[1, 3, 5, 15, 17, 51, 85, 97, 255, 291, 485, 1455, 1649, 4947, 8245, 15901, 24735, 47703, 79505, 238515, 270317, 810951, 1351585, 1542397, 4054755, 4627191, 7711985, 23135955, 26220749, 78662247, 131103745, 393311235]

約数ペア:

[(1, 393311235), (3, 131103745), (5, 78662247), (15, 26220749), (17, 23135955), (51, 7711985), (85, 4627191), (97, 4054755), (255, 1542397), (291, 1351585), (485, 810951), (1455, 270317), (1649, 238515), (4947, 79505), (8245, 47703), (15901, 24735)]