394001013

素因数分解:

$3^1\times 7^3\times {\mathrm{61}}^1\times {\mathrm{6277}}^1$

素因数の和:6362

約数の個数: 32

約数和(自身を含む): 622777600

約数和(自身を除く): 228776587

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 343, 427, 1029, 1281, 2989, 6277, 8967, 18831, 20923, 43939, 62769, 131817, 307573, 382897, 922719, 1148691, 2153011, 2680279, 6459033, 8040837, 18761953, 56285859, 131333671, 394001013]

約数ペア:

[(1, 394001013), (3, 131333671), (7, 56285859), (21, 18761953), (49, 8040837), (61, 6459033), (147, 2680279), (183, 2153011), (343, 1148691), (427, 922719), (1029, 382897), (1281, 307573), (2989, 131817), (6277, 62769), (8967, 43939), (18831, 20923)]