12217779

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 21715200

約数和(自身を除く): 9497421

約数列:

[1, 3, 7, 9, 19, 21, 57, 59, 63, 133, 171, 173, 177, 399, 413, 519, 531, 1121, 1197, 1211, 1239, 1557, 3287, 3363, 3633, 3717, 7847, 9861, 10089, 10207, 10899, 23009, 23541, 29583, 30621, 69027, 70623, 71449, 91863, 193933, 207081, 214347, 581799, 643041, 1357531, 1745397, 4072593, 12217779]

約数ペア:

[(1, 12217779), (3, 4072593), (7, 1745397), (9, 1357531), (19, 643041), (21, 581799), (57, 214347), (59, 207081), (63, 193933), (133, 91863), (171, 71449), (173, 70623), (177, 69027), (399, 30621), (413, 29583), (519, 23541), (531, 23009), (1121, 10899), (1197, 10207), (1211, 10089), (1239, 9861), (1557, 7847), (3287, 3717), (3363, 3633)]