156898791

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{37171}}^1$

素因数の和:37251

約数の個数: 24

約数和(自身を含む): 262880384

約数和(自身を除く): 105981593

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 37171, 111513, 260197, 334539, 780591, 2341773, 2490457, 7471371, 17433199, 22414113, 52299597, 156898791]

約数ペア:

[(1, 156898791), (3, 52299597), (7, 22414113), (9, 17433199), (21, 7471371), (63, 2490457), (67, 2341773), (201, 780591), (469, 334539), (603, 260197), (1407, 111513), (4221, 37171)]