201872139

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{143477}}^1$

素因数の和:143554

約数の個数: 16

約数和(自身を含む): 312208128

約数和(自身を除く): 110335989

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 143477, 430431, 1004339, 3013017, 9612959, 28838877, 67290713, 201872139]

約数ペア:

[(1, 201872139), (3, 67290713), (7, 28838877), (21, 9612959), (67, 3013017), (201, 1004339), (469, 430431), (1407, 143477)]