28535157

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{419}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 50319360

約数和(自身を除く): 21784203

約数列:

[1, 3, 7, 9, 21, 23, 47, 63, 69, 141, 161, 207, 329, 419, 423, 483, 987, 1081, 1257, 1449, 2933, 2961, 3243, 3771, 7567, 8799, 9637, 9729, 19693, 22701, 26397, 28911, 59079, 67459, 68103, 86733, 137851, 177237, 202377, 413553, 452939, 607131, 1240659, 1358817, 3170573, 4076451, 9511719, 28535157]

約数ペア:

[(1, 28535157), (3, 9511719), (7, 4076451), (9, 3170573), (21, 1358817), (23, 1240659), (47, 607131), (63, 452939), (69, 413553), (141, 202377), (161, 177237), (207, 137851), (329, 86733), (419, 68103), (423, 67459), (483, 59079), (987, 28911), (1081, 26397), (1257, 22701), (1449, 19693), (2933, 9729), (2961, 9637), (3243, 8799), (3771, 7567)]