28665861

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{467}}^1$

素因数の和:593

約数の個数: 32

約数和(自身を含む): 45527040

約数和(自身を除く): 16861179

約数列:

[1, 3, 7, 21, 37, 79, 111, 237, 259, 467, 553, 777, 1401, 1659, 2923, 3269, 8769, 9807, 17279, 20461, 36893, 51837, 61383, 110679, 120953, 258251, 362859, 774753, 1365041, 4095123, 9555287, 28665861]

約数ペア:

[(1, 28665861), (3, 9555287), (7, 4095123), (21, 1365041), (37, 774753), (79, 362859), (111, 258251), (237, 120953), (259, 110679), (467, 61383), (553, 51837), (777, 36893), (1401, 20461), (1659, 17279), (2923, 9807), (3269, 8769)]