71897679

素因数分解:

$3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{2423}}^1$

素因数の和:2596

約数の個数: 32

約数和(自身を含む): 122557440

約数和(自身を除く): 50659761

約数列:

[1, 3, 7, 9, 21, 27, 63, 157, 189, 471, 1099, 1413, 2423, 3297, 4239, 7269, 9891, 16961, 21807, 29673, 50883, 65421, 152649, 380411, 457947, 1141233, 2662877, 3423699, 7988631, 10271097, 23965893, 71897679]

約数ペア:

[(1, 71897679), (3, 23965893), (7, 10271097), (9, 7988631), (21, 3423699), (27, 2662877), (63, 1141233), (157, 457947), (189, 380411), (471, 152649), (1099, 65421), (1413, 50883), (2423, 29673), (3297, 21807), (4239, 16961), (7269, 9891)]