61993815

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18701}}^1$

素因数の和:18739

約数の個数: 32

約数和(自身を含む): 113109696

約数和(自身を除く): 51115881

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 18701, 56103, 93505, 243113, 280515, 317917, 729339, 953751, 1215565, 1589585, 3646695, 4132921, 4768755, 12398763, 20664605, 61993815]

約数ペア:

[(1, 61993815), (3, 20664605), (5, 12398763), (13, 4768755), (15, 4132921), (17, 3646695), (39, 1589585), (51, 1215565), (65, 953751), (85, 729339), (195, 317917), (221, 280515), (255, 243113), (663, 93505), (1105, 56103), (3315, 18701)]