31669371

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 50793600

約数和(自身を除く): 19124229

約数列:

[1, 3, 9, 19, 43, 57, 59, 73, 129, 171, 177, 219, 387, 531, 657, 817, 1121, 1387, 2451, 2537, 3139, 3363, 4161, 4307, 7353, 7611, 9417, 10089, 12483, 12921, 22833, 28251, 38763, 48203, 59641, 81833, 144609, 178923, 185201, 245499, 433827, 536769, 555603, 736497, 1666809, 3518819, 10556457, 31669371]

約数ペア:

[(1, 31669371), (3, 10556457), (9, 3518819), (19, 1666809), (43, 736497), (57, 555603), (59, 536769), (73, 433827), (129, 245499), (171, 185201), (177, 178923), (219, 144609), (387, 81833), (531, 59641), (657, 48203), (817, 38763), (1121, 28251), (1387, 22833), (2451, 12921), (2537, 12483), (3139, 10089), (3363, 9417), (4161, 7611), (4307, 7353)]