278350497

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{22691}}^1$

素因数の和:22773

約数の個数: 24

約数和(自身を含む): 424794240

約数和(自身を除く): 146443743

約数列:

[1, 3, 9, 29, 47, 87, 141, 261, 423, 1363, 4089, 12267, 22691, 68073, 204219, 658039, 1066477, 1974117, 3199431, 5922351, 9598293, 30927833, 92783499, 278350497]

約数ペア:

[(1, 278350497), (3, 92783499), (9, 30927833), (29, 9598293), (47, 5922351), (87, 3199431), (141, 1974117), (261, 1066477), (423, 658039), (1363, 204219), (4089, 68073), (12267, 22691)]