200721591

素因数分解:

$3^3\times 7^2\times {\mathrm{151717}}^1$

素因数の和:151740

約数の個数: 24

約数和(自身を含む): 345917040

約数和(自身を除く): 145195449

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 151717, 455151, 1062019, 1365453, 3186057, 4096359, 7434133, 9558171, 22302399, 28674513, 66907197, 200721591]

約数ペア:

[(1, 200721591), (3, 66907197), (7, 28674513), (9, 22302399), (21, 9558171), (27, 7434133), (49, 4096359), (63, 3186057), (147, 1365453), (189, 1062019), (441, 455151), (1323, 151717)]