213399893

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1\times {\mathrm{2141}}^1$

素因数の和:2668

約数の個数: 16

約数和(自身を含む): 252927360

約数和(自身を除く): 39527467

約数列:

[1, 7, 29, 203, 491, 2141, 3437, 14239, 14987, 62089, 99673, 434623, 1051231, 7358617, 30485699, 213399893]

約数ペア:

[(1, 213399893), (7, 30485699), (29, 7358617), (203, 1051231), (491, 434623), (2141, 99673), (3437, 62089), (14239, 14987)]