1279883367

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1\times {\mathrm{757}}^1$

素因数の和:1388

約数の個数: 48

約数和(自身を含む): 2164411392

約数和(自身を除く): 884528025

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 571, 757, 987, 1713, 2271, 2961, 3997, 5139, 5299, 6813, 11991, 15897, 26837, 35579, 35973, 47691, 80511, 106737, 187859, 241533, 249053, 320211, 432247, 563577, 747159, 1296741, 1690731, 2241477, 3025729, 3890223, 9077187, 20315609, 27231561, 60946827, 142209263, 182840481, 426627789, 1279883367]

約数ペア:

[(1, 1279883367), (3, 426627789), (7, 182840481), (9, 142209263), (21, 60946827), (47, 27231561), (63, 20315609), (141, 9077187), (329, 3890223), (423, 3025729), (571, 2241477), (757, 1690731), (987, 1296741), (1713, 747159), (2271, 563577), (2961, 432247), (3997, 320211), (5139, 249053), (5299, 241533), (6813, 187859), (11991, 106737), (15897, 80511), (26837, 47691), (35579, 35973)]