57420015

素因数分解:

$3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:511

約数の個数: 32

約数和(自身を含む): 93768192

約数和(自身を除く): 36348177

約数列:

[1, 3, 5, 15, 101, 151, 251, 303, 453, 505, 753, 755, 1255, 1515, 2265, 3765, 15251, 25351, 37901, 45753, 76053, 76255, 113703, 126755, 189505, 228765, 380265, 568515, 3828001, 11484003, 19140005, 57420015]

約数ペア:

[(1, 57420015), (3, 19140005), (5, 11484003), (15, 3828001), (101, 568515), (151, 380265), (251, 228765), (303, 189505), (453, 126755), (505, 113703), (753, 76255), (755, 76053), (1255, 45753), (1515, 37901), (2265, 25351), (3765, 15251)]