17772215

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^2$

素因数の和:203

約数の個数: 24

約数和(自身を含む): 23340960

約数和(自身を除く): 5568745

約数列:

[1, 5, 23, 29, 73, 115, 145, 365, 667, 1679, 2117, 3335, 5329, 8395, 10585, 26645, 48691, 122567, 154541, 243455, 612835, 772705, 3554443, 17772215]

約数ペア:

[(1, 17772215), (5, 3554443), (23, 772705), (29, 612835), (73, 243455), (115, 154541), (145, 122567), (365, 48691), (667, 26645), (1679, 10585), (2117, 8395), (3335, 5329)]