30678939

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{757}}^1$

素因数の和:864

約数の個数: 32

約数和(自身を含む): 48512000

約数和(自身を除く): 17833061

約数列:

[1, 3, 9, 19, 27, 57, 79, 171, 237, 513, 711, 757, 1501, 2133, 2271, 4503, 6813, 13509, 14383, 20439, 40527, 43149, 59803, 129447, 179409, 388341, 538227, 1136257, 1614681, 3408771, 10226313, 30678939]

約数ペア:

[(1, 30678939), (3, 10226313), (9, 3408771), (19, 1614681), (27, 1136257), (57, 538227), (79, 388341), (171, 179409), (237, 129447), (513, 59803), (711, 43149), (757, 40527), (1501, 20439), (2133, 14383), (2271, 13509), (4503, 6813)]