30785955

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 50554368

約数和(自身を除く): 19768413

約数列:

[1, 3, 5, 15, 71, 137, 211, 213, 355, 411, 633, 685, 1055, 1065, 2055, 3165, 9727, 14981, 28907, 29181, 44943, 48635, 74905, 86721, 144535, 145905, 224715, 433605, 2052397, 6157191, 10261985, 30785955]

約数ペア:

[(1, 30785955), (3, 10261985), (5, 6157191), (15, 2052397), (71, 433605), (137, 224715), (211, 145905), (213, 144535), (355, 86721), (411, 74905), (633, 48635), (685, 44943), (1055, 29181), (1065, 28907), (2055, 14981), (3165, 9727)]