221389053

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{563}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 318366720

約数和(自身を除く): 96977667

約数列:

[1, 3, 23, 41, 69, 123, 139, 417, 563, 943, 1689, 2829, 3197, 5699, 9591, 12949, 17097, 23083, 38847, 69249, 78257, 131077, 234771, 393231, 530909, 1592727, 1799911, 3208537, 5399733, 9625611, 73796351, 221389053]

約数ペア:

[(1, 221389053), (3, 73796351), (23, 9625611), (41, 5399733), (69, 3208537), (123, 1799911), (139, 1592727), (417, 530909), (563, 393231), (943, 234771), (1689, 131077), (2829, 78257), (3197, 69249), (5699, 38847), (9591, 23083), (12949, 17097)]