221873367

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{6991}}^1$

素因数の和:7214

約数の個数: 16

約数和(自身を含む): 302054400

約数和(自身を除く): 80181033

約数列:

[1, 3, 71, 149, 213, 447, 6991, 10579, 20973, 31737, 496361, 1041659, 1489083, 3124977, 73957789, 221873367]

約数ペア:

[(1, 221873367), (3, 73957789), (71, 3124977), (149, 1489083), (213, 1041659), (447, 496361), (6991, 31737), (10579, 20973)]