31906413

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 59904000

約数和(自身を除く): 27997587

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 103, 149, 189, 231, 297, 309, 447, 693, 721, 927, 1043, 1133, 1341, 1639, 2079, 2163, 2781, 3129, 3399, 4023, 4917, 6489, 7931, 9387, 10197, 11473, 14751, 15347, 19467, 23793, 28161, 30591, 34419, 44253, 46041, 71379, 103257, 107429, 138123, 168817, 214137, 309771, 322287, 414369, 506451, 966861, 1181719, 1519353, 2900583, 3545157, 4558059, 10635471, 31906413]

約数ペア:

[(1, 31906413), (3, 10635471), (7, 4558059), (9, 3545157), (11, 2900583), (21, 1519353), (27, 1181719), (33, 966861), (63, 506451), (77, 414369), (99, 322287), (103, 309771), (149, 214137), (189, 168817), (231, 138123), (297, 107429), (309, 103257), (447, 71379), (693, 46041), (721, 44253), (927, 34419), (1043, 30591), (1133, 28161), (1341, 23793), (1639, 19467), (2079, 15347), (2163, 14751), (2781, 11473), (3129, 10197), (3399, 9387), (4023, 7931), (4917, 6489)]