71281287

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{102859}}^1$

素因数の和:102883

約数の個数: 24

約数和(自身を含む): 128369280

約数和(自身を除く): 57087993

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 102859, 308577, 720013, 925731, 1131449, 2160039, 3394347, 6480117, 7920143, 10183041, 23760429, 71281287]

約数ペア:

[(1, 71281287), (3, 23760429), (7, 10183041), (9, 7920143), (11, 6480117), (21, 3394347), (33, 2160039), (63, 1131449), (77, 925731), (99, 720013), (231, 308577), (693, 102859)]