72205959

素因数分解:

$3^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{1493}}^1$

素因数の和:1564

約数の個数: 32

約数和(自身を含む): 114739200

約数和(自身を除く): 42533241

約数列:

[1, 3, 7, 21, 47, 49, 141, 147, 329, 343, 987, 1029, 1493, 2303, 4479, 6909, 10451, 16121, 31353, 48363, 70171, 73157, 210513, 219471, 491197, 512099, 1473591, 1536297, 3438379, 10315137, 24068653, 72205959]

約数ペア:

[(1, 72205959), (3, 24068653), (7, 10315137), (21, 3438379), (47, 1536297), (49, 1473591), (141, 512099), (147, 491197), (329, 219471), (343, 210513), (987, 73157), (1029, 70171), (1493, 48363), (2303, 31353), (4479, 16121), (6909, 10451)]