138912495

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{1913}}^1$

素因数の和:2071

約数の個数: 32

約数和(自身を含む): 229312512

約数和(自身を除く): 90400017

約数列:

[1, 3, 5, 15, 47, 103, 141, 235, 309, 515, 705, 1545, 1913, 4841, 5739, 9565, 14523, 24205, 28695, 72615, 89911, 197039, 269733, 449555, 591117, 985195, 1348665, 2955585, 9260833, 27782499, 46304165, 138912495]

約数ペア:

[(1, 138912495), (3, 46304165), (5, 27782499), (15, 9260833), (47, 2955585), (103, 1348665), (141, 985195), (235, 591117), (309, 449555), (515, 269733), (705, 197039), (1545, 89911), (1913, 72615), (4841, 28695), (5739, 24205), (9565, 14523)]