81028233

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 143881920

約数和(自身を除く): 62853687

約数列:

[1, 3, 9, 11, 13, 29, 33, 39, 87, 99, 117, 143, 167, 169, 261, 319, 377, 429, 501, 507, 957, 1131, 1287, 1503, 1521, 1837, 1859, 2171, 2871, 3393, 4147, 4843, 4901, 5511, 5577, 6513, 12441, 14529, 14703, 16533, 16731, 19539, 23881, 28223, 37323, 43587, 44109, 53273, 53911, 62959, 71643, 84669, 159819, 161733, 188877, 214929, 254007, 310453, 479457, 485199, 566631, 692549, 818467, 931359, 2077647, 2455401, 2794077, 6232941, 7366203, 9003137, 27009411, 81028233]

約数ペア:

[(1, 81028233), (3, 27009411), (9, 9003137), (11, 7366203), (13, 6232941), (29, 2794077), (33, 2455401), (39, 2077647), (87, 931359), (99, 818467), (117, 692549), (143, 566631), (167, 485199), (169, 479457), (261, 310453), (319, 254007), (377, 214929), (429, 188877), (501, 161733), (507, 159819), (957, 84669), (1131, 71643), (1287, 62959), (1503, 53911), (1521, 53273), (1837, 44109), (1859, 43587), (2171, 37323), (2871, 28223), (3393, 23881), (4147, 19539), (4843, 16731), (4901, 16533), (5511, 14703), (5577, 14529), (6513, 12441)]