138923415

素因数分解:

$3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{15671}}^1$

素因数の和:15879

約数の個数: 24

約数和(自身を含む): 242038368

約数和(自身を除く): 103114953

約数列:

[1, 3, 5, 9, 15, 45, 197, 591, 985, 1773, 2955, 8865, 15671, 47013, 78355, 141039, 235065, 705195, 3087187, 9261561, 15435935, 27784683, 46307805, 138923415]

約数ペア:

[(1, 138923415), (3, 46307805), (5, 27784683), (9, 15435935), (15, 9261561), (45, 3087187), (197, 705195), (591, 235065), (985, 141039), (1773, 78355), (2955, 47013), (8865, 15671)]