29972691

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 51916800

約数和(自身を除く): 21944109

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 103, 149, 217, 279, 309, 447, 651, 721, 927, 1043, 1341, 1953, 2163, 3129, 3193, 4619, 6489, 9387, 9579, 13857, 15347, 22351, 28737, 32333, 41571, 46041, 67053, 96999, 107429, 138123, 201159, 290997, 322287, 475757, 966861, 1427271, 3330299, 4281813, 9990897, 29972691]

約数ペア:

[(1, 29972691), (3, 9990897), (7, 4281813), (9, 3330299), (21, 1427271), (31, 966861), (63, 475757), (93, 322287), (103, 290997), (149, 201159), (217, 138123), (279, 107429), (309, 96999), (447, 67053), (651, 46041), (721, 41571), (927, 32333), (1043, 28737), (1341, 22351), (1953, 15347), (2163, 13857), (3129, 9579), (3193, 9387), (4619, 6489)]