81108378

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2027}}^1$

素因数の和:2073

約数の個数: 80

約数和(自身を含む): 206125920

約数和(自身を除く): 125017542

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 38, 39, 54, 57, 78, 81, 114, 117, 162, 171, 234, 247, 342, 351, 494, 513, 702, 741, 1026, 1053, 1482, 1539, 2027, 2106, 2223, 3078, 4054, 4446, 6081, 6669, 12162, 13338, 18243, 20007, 26351, 36486, 38513, 40014, 52702, 54729, 77026, 79053, 109458, 115539, 158106, 164187, 231078, 237159, 328374, 346617, 474318, 500669, 693234, 711477, 1001338, 1039851, 1422954, 1502007, 2079702, 2134431, 3004014, 3119553, 4268862, 4506021, 6239106, 9012042, 13518063, 27036126, 40554189, 81108378]

約数ペア:

[(1, 81108378), (2, 40554189), (3, 27036126), (6, 13518063), (9, 9012042), (13, 6239106), (18, 4506021), (19, 4268862), (26, 3119553), (27, 3004014), (38, 2134431), (39, 2079702), (54, 1502007), (57, 1422954), (78, 1039851), (81, 1001338), (114, 711477), (117, 693234), (162, 500669), (171, 474318), (234, 346617), (247, 328374), (342, 237159), (351, 231078), (494, 164187), (513, 158106), (702, 115539), (741, 109458), (1026, 79053), (1053, 77026), (1482, 54729), (1539, 52702), (2027, 40014), (2106, 38513), (2223, 36486), (3078, 26351), (4054, 20007), (4446, 18243), (6081, 13338), (6669, 12162)]