12987051

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 22982400

約数和(自身を除く): 9995349

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 121, 133, 209, 231, 269, 363, 399, 627, 807, 847, 1463, 1883, 2299, 2541, 2959, 4389, 5111, 5649, 6897, 8877, 15333, 16093, 20713, 32549, 35777, 48279, 56221, 62139, 97647, 107331, 168663, 227843, 393547, 618431, 683529, 1180641, 1855293, 4329017, 12987051]

約数ペア:

[(1, 12987051), (3, 4329017), (7, 1855293), (11, 1180641), (19, 683529), (21, 618431), (33, 393547), (57, 227843), (77, 168663), (121, 107331), (133, 97647), (209, 62139), (231, 56221), (269, 48279), (363, 35777), (399, 32549), (627, 20713), (807, 16093), (847, 15333), (1463, 8877), (1883, 6897), (2299, 5649), (2541, 5111), (2959, 4389)]