72768591

素因数分解:

$3^3\times 7^1\times {\mathrm{521}}^1\times {\mathrm{739}}^1$

素因数の和:1276

約数の個数: 32

約数和(自身を含む): 123609600

約数和(自身を除く): 50841009

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 521, 739, 1563, 2217, 3647, 4689, 5173, 6651, 10941, 14067, 15519, 19953, 32823, 46557, 98469, 139671, 385019, 1155057, 2695133, 3465171, 8085399, 10395513, 24256197, 72768591]

約数ペア:

[(1, 72768591), (3, 24256197), (7, 10395513), (9, 8085399), (21, 3465171), (27, 2695133), (63, 1155057), (189, 385019), (521, 139671), (739, 98469), (1563, 46557), (2217, 32823), (3647, 19953), (4689, 15519), (5173, 14067), (6651, 10941)]