1621851

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:104

約数の個数: 48

約数和(自身を含む): 2954880

約数和(自身を除く): 1333029

約数列:

[1, 3, 7, 11, 17, 21, 33, 49, 51, 59, 77, 119, 147, 177, 187, 231, 357, 413, 539, 561, 649, 833, 1003, 1239, 1309, 1617, 1947, 2499, 2891, 3009, 3927, 4543, 7021, 8673, 9163, 11033, 13629, 21063, 27489, 31801, 33099, 49147, 77231, 95403, 147441, 231693, 540617, 1621851]

約数ペア:

[(1, 1621851), (3, 540617), (7, 231693), (11, 147441), (17, 95403), (21, 77231), (33, 49147), (49, 33099), (51, 31801), (59, 27489), (77, 21063), (119, 13629), (147, 11033), (177, 9163), (187, 8673), (231, 7021), (357, 4543), (413, 3927), (539, 3009), (561, 2891), (649, 2499), (833, 1947), (1003, 1617), (1239, 1309)]