16381251

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 26049600

約数和(自身を除く): 9668349

約数列:

[1, 3, 9, 17, 27, 51, 89, 153, 267, 401, 459, 801, 1203, 1513, 2403, 3609, 4539, 6817, 10827, 13617, 20451, 35689, 40851, 61353, 107067, 184059, 321201, 606713, 963603, 1820139, 5460417, 16381251]

約数ペア:

[(1, 16381251), (3, 5460417), (9, 1820139), (17, 963603), (27, 606713), (51, 321201), (89, 184059), (153, 107067), (267, 61353), (401, 40851), (459, 35689), (801, 20451), (1203, 13617), (1513, 10827), (2403, 6817), (3609, 4539)]