210318843

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1\times {\mathrm{521}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 328734720

約数和(自身を除く): 118415877

約数列:

[1, 3, 7, 21, 47, 141, 329, 409, 521, 987, 1227, 1563, 2863, 3647, 8589, 10941, 19223, 24487, 57669, 73461, 134561, 171409, 213089, 403683, 514227, 639267, 1491623, 4474869, 10015183, 30045549, 70106281, 210318843]

約数ペア:

[(1, 210318843), (3, 70106281), (7, 30045549), (21, 10015183), (47, 4474869), (141, 1491623), (329, 639267), (409, 514227), (521, 403683), (987, 213089), (1227, 171409), (1563, 134561), (2863, 73461), (3647, 57669), (8589, 24487), (10941, 19223)]