1640596275

素因数分解:

$3^6\times 5^2\times {\mathrm{90019}}^1$

素因数の和:90047

約数の個数: 42

約数和(自身を含む): 3050147660

約数和(自身を除く): 1409551385

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 729, 1215, 2025, 3645, 6075, 18225, 90019, 270057, 450095, 810171, 1350285, 2250475, 2430513, 4050855, 6751425, 7291539, 12152565, 20254275, 21874617, 36457695, 60762825, 65623851, 109373085, 182288475, 328119255, 546865425, 1640596275]

約数ペア:

[(1, 1640596275), (3, 546865425), (5, 328119255), (9, 182288475), (15, 109373085), (25, 65623851), (27, 60762825), (45, 36457695), (75, 21874617), (81, 20254275), (135, 12152565), (225, 7291539), (243, 6751425), (405, 4050855), (675, 2430513), (729, 2250475), (1215, 1350285), (2025, 810171), (3645, 450095), (6075, 270057), (18225, 90019)]