81390465

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{373}}^2$

素因数の和:770

約数の個数: 36

約数和(自身を含む): 152337276

約数和(自身を除く): 70946811

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 373, 585, 1119, 1865, 3357, 4849, 5595, 14547, 16785, 24245, 43641, 72735, 139129, 218205, 417387, 695645, 1252161, 1808677, 2086935, 5426031, 6260805, 9043385, 16278093, 27130155, 81390465]

約数ペア:

[(1, 81390465), (3, 27130155), (5, 16278093), (9, 9043385), (13, 6260805), (15, 5426031), (39, 2086935), (45, 1808677), (65, 1252161), (117, 695645), (195, 417387), (373, 218205), (585, 139129), (1119, 72735), (1865, 43641), (3357, 24245), (4849, 16785), (5595, 14547)]