209156921

素因数分解:

${\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{229}}^1\times {\mathrm{907}}^1$

素因数の和:1208

約数の個数: 16

約数和(自身を含む): 225547200

約数和(自身を除く): 16390279

約数列:

[1, 19, 53, 229, 907, 1007, 4351, 12137, 17233, 48071, 207703, 230603, 913349, 3946357, 11008259, 209156921]

約数ペア:

[(1, 209156921), (19, 11008259), (53, 3946357), (229, 913349), (907, 230603), (1007, 207703), (4351, 48071), (12137, 17233)]