1871109

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 2864160

約数和(自身を除く): 993051

約数列:

[1, 3, 9, 29, 67, 87, 107, 201, 261, 321, 603, 963, 1943, 3103, 5829, 7169, 9309, 17487, 21507, 27927, 64521, 207901, 623703, 1871109]

約数ペア:

[(1, 1871109), (3, 623703), (9, 207901), (29, 64521), (67, 27927), (87, 21507), (107, 17487), (201, 9309), (261, 7169), (321, 5829), (603, 3103), (963, 1943)]