255606687

素因数分解:

$3^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{2671}}^1$

素因数の和:2729

約数の個数: 48

約数和(自身を含む): 444620800

約数和(自身を除く): 189014113

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 93, 147, 217, 279, 343, 441, 651, 1029, 1519, 1953, 2671, 3087, 4557, 8013, 10633, 13671, 18697, 24039, 31899, 56091, 82801, 95697, 130879, 168273, 248403, 392637, 579607, 745209, 916153, 1177911, 1738821, 2748459, 4057249, 5216463, 8245377, 12171747, 28400743, 36515241, 85202229, 255606687]

約数ペア:

[(1, 255606687), (3, 85202229), (7, 36515241), (9, 28400743), (21, 12171747), (31, 8245377), (49, 5216463), (63, 4057249), (93, 2748459), (147, 1738821), (217, 1177911), (279, 916153), (343, 745209), (441, 579607), (651, 392637), (1029, 248403), (1519, 168273), (1953, 130879), (2671, 95697), (3087, 82801), (4557, 56091), (8013, 31899), (10633, 24039), (13671, 18697)]