478421559

素因数分解:

$3^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{947}}^1$

素因数の和:989

約数の個数: 72

約数和(自身を含む): 895609728

約数和(自身を除く): 417188169

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 243, 297, 567, 693, 729, 891, 947, 1701, 2079, 2187, 2673, 2841, 5103, 6237, 6561, 6629, 8019, 8523, 10417, 15309, 18711, 19887, 24057, 25569, 31251, 45927, 56133, 59661, 72171, 72919, 76707, 93753, 168399, 178983, 218757, 230121, 281259, 505197, 536949, 656271, 690363, 843777, 1610847, 1968813, 2071089, 2531331, 4832541, 5906439, 6213267, 7593993, 14497623, 17719317, 22781979, 43492869, 53157951, 68345937, 159473853, 478421559]

約数ペア:

[(1, 478421559), (3, 159473853), (7, 68345937), (9, 53157951), (11, 43492869), (21, 22781979), (27, 17719317), (33, 14497623), (63, 7593993), (77, 6213267), (81, 5906439), (99, 4832541), (189, 2531331), (231, 2071089), (243, 1968813), (297, 1610847), (567, 843777), (693, 690363), (729, 656271), (891, 536949), (947, 505197), (1701, 281259), (2079, 230121), (2187, 218757), (2673, 178983), (2841, 168399), (5103, 93753), (6237, 76707), (6561, 72919), (6629, 72171), (8019, 59661), (8523, 56133), (10417, 45927), (15309, 31251), (18711, 25569), (19887, 24057)]