219984501

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{337}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 325518336

約数和(自身を除く): 105533835

約数列:

[1, 3, 11, 33, 131, 151, 337, 393, 453, 1011, 1441, 1661, 3707, 4323, 4983, 11121, 19781, 44147, 50887, 59343, 132441, 152661, 217591, 485617, 559757, 652773, 1456851, 1679271, 6666197, 19998591, 73328167, 219984501]

約数ペア:

[(1, 219984501), (3, 73328167), (11, 19998591), (33, 6666197), (131, 1679271), (151, 1456851), (337, 652773), (393, 559757), (453, 485617), (1011, 217591), (1441, 152661), (1661, 132441), (3707, 59343), (4323, 50887), (4983, 44147), (11121, 19781)]