64996911

素因数分解:

$3^6\times 7^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:343

約数の個数: 56

約数和(自身を含む): 114161664

約数和(自身を除く): 49164753

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 141, 189, 243, 271, 329, 423, 567, 729, 813, 987, 1269, 1701, 1897, 2439, 2961, 3807, 5103, 5691, 7317, 8883, 11421, 12737, 17073, 21951, 26649, 34263, 38211, 51219, 65853, 79947, 89159, 114633, 153657, 197559, 239841, 267477, 343899, 460971, 802431, 1031697, 1382913, 2407293, 3095091, 7221879, 9285273, 21665637, 64996911]

約数ペア:

[(1, 64996911), (3, 21665637), (7, 9285273), (9, 7221879), (21, 3095091), (27, 2407293), (47, 1382913), (63, 1031697), (81, 802431), (141, 460971), (189, 343899), (243, 267477), (271, 239841), (329, 197559), (423, 153657), (567, 114633), (729, 89159), (813, 79947), (987, 65853), (1269, 51219), (1701, 38211), (1897, 34263), (2439, 26649), (2961, 21951), (3807, 17073), (5103, 12737), (5691, 11421), (7317, 8883)]