207721731

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{577}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 337367040

約数和(自身を除く): 129645309

約数列:

[1, 3, 7, 21, 31, 49, 79, 93, 147, 217, 237, 553, 577, 651, 1519, 1659, 1731, 2449, 3871, 4039, 4557, 7347, 11613, 12117, 17143, 17887, 28273, 45583, 51429, 53661, 84819, 120001, 125209, 136749, 319081, 360003, 375627, 876463, 957243, 1413073, 2233567, 2629389, 4239219, 6700701, 9891511, 29674533, 69240577, 207721731]

約数ペア:

[(1, 207721731), (3, 69240577), (7, 29674533), (21, 9891511), (31, 6700701), (49, 4239219), (79, 2629389), (93, 2233567), (147, 1413073), (217, 957243), (237, 876463), (553, 375627), (577, 360003), (651, 319081), (1519, 136749), (1659, 125209), (1731, 120001), (2449, 84819), (3871, 53661), (4039, 51429), (4557, 45583), (7347, 28273), (11613, 17887), (12117, 17143)]