172717245

素因数分解:

$3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 317399040

約数和(自身を除く): 144681795

約数列:

[1, 3, 5, 9, 15, 27, 45, 47, 135, 141, 163, 167, 235, 423, 489, 501, 705, 815, 835, 1269, 1467, 1503, 2115, 2445, 2505, 4401, 4509, 6345, 7335, 7515, 7661, 7849, 22005, 22545, 22983, 23547, 27221, 38305, 39245, 68949, 70641, 81663, 114915, 117735, 136105, 206847, 211923, 244989, 344745, 353205, 408315, 734967, 1034235, 1059615, 1224945, 1279387, 3674835, 3838161, 6396935, 11514483, 19190805, 34543449, 57572415, 172717245]

約数ペア:

[(1, 172717245), (3, 57572415), (5, 34543449), (9, 19190805), (15, 11514483), (27, 6396935), (45, 3838161), (47, 3674835), (135, 1279387), (141, 1224945), (163, 1059615), (167, 1034235), (235, 734967), (423, 408315), (489, 353205), (501, 344745), (705, 244989), (815, 211923), (835, 206847), (1269, 136105), (1467, 117735), (1503, 114915), (2115, 81663), (2445, 70641), (2505, 68949), (4401, 39245), (4509, 38305), (6345, 27221), (7335, 23547), (7515, 22983), (7661, 22545), (7849, 22005)]