421304829

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{20297}}^1$

素因数の和:20365

約数の個数: 32

約数和(自身を含む): 666423936

約数和(自身を除く): 245119107

約数列:

[1, 3, 11, 17, 33, 37, 51, 111, 187, 407, 561, 629, 1221, 1887, 6919, 20297, 20757, 60891, 223267, 345049, 669801, 750989, 1035147, 2252967, 3795539, 8260879, 11386617, 12766813, 24782637, 38300439, 140434943, 421304829]

約数ペア:

[(1, 421304829), (3, 140434943), (11, 38300439), (17, 24782637), (33, 12766813), (37, 11386617), (51, 8260879), (111, 3795539), (187, 2252967), (407, 1035147), (561, 750989), (629, 669801), (1221, 345049), (1887, 223267), (6919, 60891), (20297, 20757)]