81862326

素因数分解:

$2^1\times 3^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{617}}^1$

素因数の和:657

約数の個数: 112

約数和(自身を含む): 226959264

約数和(自身を除く): 145096938

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 81, 91, 117, 126, 162, 182, 189, 234, 243, 273, 351, 378, 486, 546, 567, 617, 702, 729, 819, 1053, 1134, 1234, 1458, 1638, 1701, 1851, 2106, 2457, 3159, 3402, 3702, 4319, 4914, 5103, 5553, 6318, 7371, 8021, 8638, 9477, 10206, 11106, 12957, 14742, 16042, 16659, 18954, 22113, 24063, 25914, 33318, 38871, 44226, 48126, 49977, 56147, 66339, 72189, 77742, 99954, 112294, 116613, 132678, 144378, 149931, 168441, 216567, 233226, 299862, 336882, 349839, 433134, 449793, 505323, 649701, 699678, 899586, 1010646, 1049517, 1299402, 1515969, 1949103, 2099034, 3031938, 3148551, 3898206, 4547907, 5847309, 6297102, 9095814, 11694618, 13643721, 27287442, 40931163, 81862326]

約数ペア:

[(1, 81862326), (2, 40931163), (3, 27287442), (6, 13643721), (7, 11694618), (9, 9095814), (13, 6297102), (14, 5847309), (18, 4547907), (21, 3898206), (26, 3148551), (27, 3031938), (39, 2099034), (42, 1949103), (54, 1515969), (63, 1299402), (78, 1049517), (81, 1010646), (91, 899586), (117, 699678), (126, 649701), (162, 505323), (182, 449793), (189, 433134), (234, 349839), (243, 336882), (273, 299862), (351, 233226), (378, 216567), (486, 168441), (546, 149931), (567, 144378), (617, 132678), (702, 116613), (729, 112294), (819, 99954), (1053, 77742), (1134, 72189), (1234, 66339), (1458, 56147), (1638, 49977), (1701, 48126), (1851, 44226), (2106, 38871), (2457, 33318), (3159, 25914), (3402, 24063), (3702, 22113), (4319, 18954), (4914, 16659), (5103, 16042), (5553, 14742), (6318, 12957), (7371, 11106), (8021, 10206), (8638, 9477)]