221285178

素因数分解:

$2^1\times 3^2\times {\mathrm{421}}^1\times {\mathrm{29201}}^1$

素因数の和:29630

約数の個数: 24

約数和(自身を含む): 480606516

約数和(自身を除く): 259321338

約数列:

[1, 2, 3, 6, 9, 18, 421, 842, 1263, 2526, 3789, 7578, 29201, 58402, 87603, 175206, 262809, 525618, 12293621, 24587242, 36880863, 73761726, 110642589, 221285178]

約数ペア:

[(1, 221285178), (2, 110642589), (3, 73761726), (6, 36880863), (9, 24587242), (18, 12293621), (421, 525618), (842, 262809), (1263, 175206), (2526, 87603), (3789, 58402), (7578, 29201)]