639435573

素因数分解:

$3^3\times 7^1\times {\mathrm{827}}^1\times {\mathrm{4091}}^1$

素因数の和:4934

約数の個数: 32

約数和(自身を含む): 1084216320

約数和(自身を除く): 444780747

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 827, 2481, 4091, 5789, 7443, 12273, 17367, 22329, 28637, 36819, 52101, 85911, 110457, 156303, 257733, 773199, 3383257, 10149771, 23682799, 30449313, 71048397, 91347939, 213145191, 639435573]

約数ペア:

[(1, 639435573), (3, 213145191), (7, 91347939), (9, 71048397), (21, 30449313), (27, 23682799), (63, 10149771), (189, 3383257), (827, 773199), (2481, 257733), (4091, 156303), (5789, 110457), (7443, 85911), (12273, 52101), (17367, 36819), (22329, 28637)]