81219693

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{4073}}^1$

素因数の和:4133

約数の個数: 24

約数和(自身を含む): 120068928

約数和(自身を除く): 38849235

約数列:

[1, 3, 17, 23, 51, 69, 289, 391, 867, 1173, 4073, 6647, 12219, 19941, 69241, 93679, 207723, 281037, 1177097, 1592543, 3531291, 4777629, 27073231, 81219693]

約数ペア:

[(1, 81219693), (3, 27073231), (17, 4777629), (23, 3531291), (51, 1592543), (69, 1177097), (289, 281037), (391, 207723), (867, 93679), (1173, 69241), (4073, 19941), (6647, 12219)]