9990897

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 15974400

約数和(自身を除く): 5983503

約数列:

[1, 3, 7, 21, 31, 93, 103, 149, 217, 309, 447, 651, 721, 1043, 2163, 3129, 3193, 4619, 9579, 13857, 15347, 22351, 32333, 46041, 67053, 96999, 107429, 322287, 475757, 1427271, 3330299, 9990897]

約数ペア:

[(1, 9990897), (3, 3330299), (7, 1427271), (21, 475757), (31, 322287), (93, 107429), (103, 96999), (149, 67053), (217, 46041), (309, 32333), (447, 22351), (651, 15347), (721, 13857), (1043, 9579), (2163, 4619), (3129, 3193)]