31963893

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1303}}^1$

素因数の和:1373

約数の個数: 32

約数和(自身を含む): 49948416

約数和(自身を除く): 17984523

約数列:

[1, 3, 13, 17, 37, 39, 51, 111, 221, 481, 629, 663, 1303, 1443, 1887, 3909, 8177, 16939, 22151, 24531, 48211, 50817, 66453, 144633, 287963, 626743, 819587, 863889, 1880229, 2458761, 10654631, 31963893]

約数ペア:

[(1, 31963893), (3, 10654631), (13, 2458761), (17, 1880229), (37, 863889), (39, 819587), (51, 626743), (111, 287963), (221, 144633), (481, 66453), (629, 50817), (663, 48211), (1303, 24531), (1443, 22151), (1887, 16939), (3909, 8177)]