42401475

素因数分解:

$3^4\times 5^2\times {\mathrm{20939}}^1$

素因数の和:20961

約数の個数: 30

約数和(自身を含む): 78545940

約数和(自身を除く): 36144465

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 20939, 62817, 104695, 188451, 314085, 523475, 565353, 942255, 1570425, 1696059, 2826765, 4711275, 8480295, 14133825, 42401475]

約数ペア:

[(1, 42401475), (3, 14133825), (5, 8480295), (9, 4711275), (15, 2826765), (25, 1696059), (27, 1570425), (45, 942255), (75, 565353), (81, 523475), (135, 314085), (225, 188451), (405, 104695), (675, 62817), (2025, 20939)]