31192587

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 48111360

約数和(自身を除く): 16918773

約数列:

[1, 3, 9, 27, 43, 67, 129, 201, 387, 401, 603, 1161, 1203, 1809, 2881, 3609, 8643, 10827, 17243, 25929, 26867, 51729, 77787, 80601, 155187, 241803, 465561, 725409, 1155281, 3465843, 10397529, 31192587]

約数ペア:

[(1, 31192587), (3, 10397529), (9, 3465843), (27, 1155281), (43, 725409), (67, 465561), (129, 241803), (201, 155187), (387, 80601), (401, 77787), (603, 51729), (1161, 26867), (1203, 25929), (1809, 17243), (2881, 10827), (3609, 8643)]