27440205

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1291}}^1$

素因数の和:1421

約数の個数: 32

約数和(自身を含む): 47752320

約数和(自身を除く): 20312115

約数列:

[1, 3, 5, 13, 15, 39, 65, 109, 195, 327, 545, 1291, 1417, 1635, 3873, 4251, 6455, 7085, 16783, 19365, 21255, 50349, 83915, 140719, 251745, 422157, 703595, 1829347, 2110785, 5488041, 9146735, 27440205]

約数ペア:

[(1, 27440205), (3, 9146735), (5, 5488041), (13, 2110785), (15, 1829347), (39, 703595), (65, 422157), (109, 251745), (195, 140719), (327, 83915), (545, 50349), (1291, 21255), (1417, 19365), (1635, 16783), (3873, 7085), (4251, 6455)]