78860187

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 135782400

約数和(自身を除く): 56922213

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 149, 217, 271, 279, 447, 651, 813, 1043, 1341, 1897, 1953, 2439, 3129, 4619, 5691, 8401, 9387, 13857, 17073, 25203, 32333, 40379, 41571, 58807, 75609, 96999, 121137, 176421, 282653, 290997, 363411, 529263, 847959, 1251749, 2543877, 3755247, 8762243, 11265741, 26286729, 78860187]

約数ペア:

[(1, 78860187), (3, 26286729), (7, 11265741), (9, 8762243), (21, 3755247), (31, 2543877), (63, 1251749), (93, 847959), (149, 529263), (217, 363411), (271, 290997), (279, 282653), (447, 176421), (651, 121137), (813, 96999), (1043, 75609), (1341, 58807), (1897, 41571), (1953, 40379), (2439, 32333), (3129, 25203), (4619, 17073), (5691, 13857), (8401, 9387)]