78421221

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{503}}^1\times {\mathrm{1019}}^1$

素因数の和:1545

約数の個数: 24

約数和(自身を含む): 120294720

約数和(自身を除く): 41873499

約数列:

[1, 3, 9, 17, 51, 153, 503, 1019, 1509, 3057, 4527, 8551, 9171, 17323, 25653, 51969, 76959, 155907, 512557, 1537671, 4613013, 8713469, 26140407, 78421221]

約数ペア:

[(1, 78421221), (3, 26140407), (9, 8713469), (17, 4613013), (51, 1537671), (153, 512557), (503, 155907), (1019, 76959), (1509, 51969), (3057, 25653), (4527, 17323), (8551, 9171)]