71271729

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{991}}^1$

素因数の和:1189

約数の個数: 24

約数和(自身を含む): 105540864

約数和(自身を除く): 34269135

約数列:

[1, 3, 9, 61, 131, 183, 393, 549, 991, 1179, 2973, 7991, 8919, 23973, 60451, 71919, 129821, 181353, 389463, 544059, 1168389, 7919081, 23757243, 71271729]

約数ペア:

[(1, 71271729), (3, 23757243), (9, 7919081), (61, 1168389), (131, 544059), (183, 389463), (393, 181353), (549, 129821), (991, 71919), (1179, 60451), (2973, 23973), (7991, 8919)]