11979639

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 20966400

約数和(自身を除く): 8986761

約数列:

[1, 3, 7, 9, 21, 29, 63, 79, 83, 87, 203, 237, 249, 261, 553, 581, 609, 711, 747, 1659, 1743, 1827, 2291, 2407, 4977, 5229, 6557, 6873, 7221, 16037, 16849, 19671, 20619, 21663, 45899, 48111, 50547, 59013, 137697, 144333, 151641, 190153, 413091, 570459, 1331071, 1711377, 3993213, 11979639]

約数ペア:

[(1, 11979639), (3, 3993213), (7, 1711377), (9, 1331071), (21, 570459), (29, 413091), (63, 190153), (79, 151641), (83, 144333), (87, 137697), (203, 59013), (237, 50547), (249, 48111), (261, 45899), (553, 21663), (581, 20619), (609, 19671), (711, 16849), (747, 16037), (1659, 7221), (1743, 6873), (1827, 6557), (2291, 5229), (2407, 4977)]