30531207

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20477}}^1$

素因数の和:20558

約数の個数: 16

約数和(自身を含む): 47181312

約数和(自身を除く): 16650105

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 20477, 61431, 143339, 430017, 1453867, 4361601, 10177069, 30531207]

約数ペア:

[(1, 30531207), (3, 10177069), (7, 4361601), (21, 1453867), (71, 430017), (213, 143339), (497, 61431), (1491, 20477)]