81517086

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3187}}^1$

素因数の和:3238

約数の個数: 72

約数和(自身を含む): 212607720

約数和(自身を除く): 131090634

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 29, 42, 49, 58, 63, 87, 98, 126, 147, 174, 203, 261, 294, 406, 441, 522, 609, 882, 1218, 1421, 1827, 2842, 3187, 3654, 4263, 6374, 8526, 9561, 12789, 19122, 22309, 25578, 28683, 44618, 57366, 66927, 92423, 133854, 156163, 184846, 200781, 277269, 312326, 401562, 468489, 554538, 646961, 831807, 936978, 1293922, 1405467, 1663614, 1940883, 2810934, 3881766, 4528727, 5822649, 9057454, 11645298, 13586181, 27172362, 40758543, 81517086]

約数ペア:

[(1, 81517086), (2, 40758543), (3, 27172362), (6, 13586181), (7, 11645298), (9, 9057454), (14, 5822649), (18, 4528727), (21, 3881766), (29, 2810934), (42, 1940883), (49, 1663614), (58, 1405467), (63, 1293922), (87, 936978), (98, 831807), (126, 646961), (147, 554538), (174, 468489), (203, 401562), (261, 312326), (294, 277269), (406, 200781), (441, 184846), (522, 156163), (609, 133854), (882, 92423), (1218, 66927), (1421, 57366), (1827, 44618), (2842, 28683), (3187, 25578), (3654, 22309), (4263, 19122), (6374, 12789), (8526, 9561)]