2581173

素因数分解:

$3^3\times 7^2\times {\mathrm{1951}}^1$

素因数の和:1974

約数の個数: 24

約数和(自身を含む): 4450560

約数和(自身を除く): 1869387

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 1951, 5853, 13657, 17559, 40971, 52677, 95599, 122913, 286797, 368739, 860391, 2581173]

約数ペア:

[(1, 2581173), (3, 860391), (7, 368739), (9, 286797), (21, 122913), (27, 95599), (49, 52677), (63, 40971), (147, 17559), (189, 13657), (441, 5853), (1323, 1951)]