81864972

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{108287}}^1$

素因数の和:108307

約数の個数: 48

約数和(自身を含む): 242565120

約数和(自身を除く): 160700148

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 108287, 216574, 324861, 433148, 649722, 758009, 974583, 1299444, 1516018, 1949166, 2274027, 2923749, 3032036, 3898332, 4548054, 5847498, 6822081, 9096108, 11694996, 13644162, 20466243, 27288324, 40932486, 81864972]

約数ペア:

[(1, 81864972), (2, 40932486), (3, 27288324), (4, 20466243), (6, 13644162), (7, 11694996), (9, 9096108), (12, 6822081), (14, 5847498), (18, 4548054), (21, 3898332), (27, 3032036), (28, 2923749), (36, 2274027), (42, 1949166), (54, 1516018), (63, 1299444), (84, 974583), (108, 758009), (126, 649722), (189, 433148), (252, 324861), (378, 216574), (756, 108287)]