137555415

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19979}}^1$

素因数の和:20013

約数の個数: 40

約数和(自身を含む): 261098640

約数和(自身を除く): 123543225

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 2295, 6885, 19979, 59937, 99895, 179811, 299685, 339643, 539433, 899055, 1018929, 1618299, 1698215, 2697165, 3056787, 5094645, 8091495, 9170361, 15283935, 27511083, 45851805, 137555415]

約数ペア:

[(1, 137555415), (3, 45851805), (5, 27511083), (9, 15283935), (15, 9170361), (17, 8091495), (27, 5094645), (45, 3056787), (51, 2697165), (81, 1698215), (85, 1618299), (135, 1018929), (153, 899055), (255, 539433), (405, 339643), (459, 299685), (765, 179811), (1377, 99895), (2295, 59937), (6885, 19979)]