220828521

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{997}}^1$

素因数の和:1161

約数の個数: 32

約数和(自身を含む): 322489728

約数和(自身を除く): 101661207

約数列:

[1, 3, 17, 43, 51, 101, 129, 303, 731, 997, 1717, 2193, 2991, 4343, 5151, 13029, 16949, 42871, 50847, 73831, 100697, 128613, 221493, 302091, 728807, 1711849, 2186421, 4329971, 5135547, 12989913, 73609507, 220828521]

約数ペア:

[(1, 220828521), (3, 73609507), (17, 12989913), (43, 5135547), (51, 4329971), (101, 2186421), (129, 1711849), (303, 728807), (731, 302091), (997, 221493), (1717, 128613), (2193, 100697), (2991, 73831), (4343, 50847), (5151, 42871), (13029, 16949)]