78139935

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{20921}}^1$

素因数の和:21015

約数の個数: 24

約数和(自身を含む): 137080944

約数和(自身を除く): 58941009

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 20921, 62763, 104605, 188289, 313815, 941445, 1736443, 5209329, 8682215, 15627987, 26046645, 78139935]

約数ペア:

[(1, 78139935), (3, 26046645), (5, 15627987), (9, 8682215), (15, 5209329), (45, 1736443), (83, 941445), (249, 313815), (415, 188289), (747, 104605), (1245, 62763), (3735, 20921)]