156942385

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^2\times {\mathrm{181}}^1$

素因数の和:405

約数の個数: 24

約数和(自身を含む): 202515768

約数和(自身を除く): 45573383

約数列:

[1, 5, 17, 85, 101, 181, 505, 905, 1717, 3077, 8585, 10201, 15385, 18281, 51005, 91405, 173417, 310777, 867085, 1553885, 1846381, 9231905, 31388477, 156942385]

約数ペア:

[(1, 156942385), (5, 31388477), (17, 9231905), (85, 1846381), (101, 1553885), (181, 867085), (505, 310777), (905, 173417), (1717, 91405), (3077, 51005), (8585, 18281), (10201, 15385)]