208815747

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{8363}}^1$

素因数の和:8443

約数の個数: 32

約数和(自身を含む): 337236480

約数和(自身を除く): 128420733

約数列:

[1, 3, 7, 21, 29, 41, 87, 123, 203, 287, 609, 861, 1189, 3567, 8323, 8363, 24969, 25089, 58541, 175623, 242527, 342883, 727581, 1028649, 1697689, 2400181, 5093067, 7200543, 9943607, 29830821, 69605249, 208815747]

約数ペア:

[(1, 208815747), (3, 69605249), (7, 29830821), (21, 9943607), (29, 7200543), (41, 5093067), (87, 2400181), (123, 1697689), (203, 1028649), (287, 727581), (609, 342883), (861, 242527), (1189, 175623), (3567, 58541), (8323, 25089), (8363, 24969)]