31977105

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{21107}}^1$

素因数の和:21216

約数の個数: 16

約数和(自身を含む): 51672384

約数和(自身を除く): 19695279

約数列:

[1, 3, 5, 15, 101, 303, 505, 1515, 21107, 63321, 105535, 316605, 2131807, 6395421, 10659035, 31977105]

約数ペア:

[(1, 31977105), (3, 10659035), (5, 6395421), (15, 2131807), (101, 316605), (303, 105535), (505, 63321), (1515, 21107)]