213341709

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{3541}}^1$

素因数の和:3721

約数の個数: 32

約数和(自身を含む): 344565760

約数和(自身を除く): 131224051

約数列:

[1, 3, 7, 19, 21, 57, 133, 151, 399, 453, 1057, 2869, 3171, 3541, 8607, 10623, 20083, 24787, 60249, 67279, 74361, 201837, 470953, 534691, 1412859, 1604073, 3742837, 10159129, 11228511, 30477387, 71113903, 213341709]

約数ペア:

[(1, 213341709), (3, 71113903), (7, 30477387), (19, 11228511), (21, 10159129), (57, 3742837), (133, 1604073), (151, 1412859), (399, 534691), (453, 470953), (1057, 201837), (2869, 74361), (3171, 67279), (3541, 60249), (8607, 24787), (10623, 20083)]