78724161

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{7247}}^1$

素因数の和:7341

約数の個数: 24

約数和(自身を含む): 122114304

約数和(自身を除く): 43390143

約数列:

[1, 3, 9, 17, 51, 71, 153, 213, 639, 1207, 3621, 7247, 10863, 21741, 65223, 123199, 369597, 514537, 1108791, 1543611, 4630833, 8747129, 26241387, 78724161]

約数ペア:

[(1, 78724161), (3, 26241387), (9, 8747129), (17, 4630833), (51, 1543611), (71, 1108791), (153, 514537), (213, 369597), (639, 123199), (1207, 65223), (3621, 21741), (7247, 10863)]