215836371

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{887}}^1\times {\mathrm{1423}}^1$

素因数の和:2335

約数の個数: 24

約数和(自身を含む): 328773120

約数和(自身を除く): 112936749

約数列:

[1, 3, 9, 19, 57, 171, 887, 1423, 2661, 4269, 7983, 12807, 16853, 27037, 50559, 81111, 151677, 243333, 1262201, 3786603, 11359809, 23981819, 71945457, 215836371]

約数ペア:

[(1, 215836371), (3, 71945457), (9, 23981819), (19, 11359809), (57, 3786603), (171, 1262201), (887, 243333), (1423, 151677), (2661, 81111), (4269, 50559), (7983, 27037), (12807, 16853)]