219903145

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{2707}}^1$

素因数の和:2941

約数の個数: 32

約数和(自身を含む): 330679296

約数和(自身を除く): 110776151

約数列:

[1, 5, 7, 11, 35, 55, 77, 211, 385, 1055, 1477, 2321, 2707, 7385, 11605, 13535, 16247, 18949, 29777, 81235, 94745, 148885, 208439, 571177, 1042195, 2855885, 3998239, 6282947, 19991195, 31414735, 43980629, 219903145]

約数ペア:

[(1, 219903145), (5, 43980629), (7, 31414735), (11, 19991195), (35, 6282947), (55, 3998239), (77, 2855885), (211, 1042195), (385, 571177), (1055, 208439), (1477, 148885), (2321, 94745), (2707, 81235), (7385, 29777), (11605, 18949), (13535, 16247)]