1561917273

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{492563}}^1$

素因数の和:492724

約数の個数: 16

約数和(自身を含む): 2395831296

約数和(自身を除く): 833914023

約数列:

[1, 3, 7, 21, 151, 453, 1057, 3171, 492563, 1477689, 3447941, 10343823, 74377013, 223131039, 520639091, 1561917273]

約数ペア:

[(1, 1561917273), (3, 520639091), (7, 223131039), (21, 74377013), (151, 10343823), (453, 3447941), (1057, 1477689), (3171, 492563)]