215686911

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{983}}^1$

素因数の和:1167

約数の個数: 32

約数和(自身を含む): 322122240

約数和(自身を除く): 106435329

約数列:

[1, 3, 11, 33, 61, 109, 183, 327, 671, 983, 1199, 2013, 2949, 3597, 6649, 10813, 19947, 32439, 59963, 73139, 107147, 179889, 219417, 321441, 659593, 1178617, 1978779, 3535851, 6535967, 19607901, 71895637, 215686911]

約数ペア:

[(1, 215686911), (3, 71895637), (11, 19607901), (33, 6535967), (61, 3535851), (109, 1978779), (183, 1178617), (327, 659593), (671, 321441), (983, 219417), (1199, 179889), (2013, 107147), (2949, 73139), (3597, 59963), (6649, 32439), (10813, 19947)]