1312821459

素因数分解:

$3^3\times {\mathrm{643}}^1\times {\mathrm{75619}}^1$

素因数の和:76271

約数の個数: 16

約数和(自身を含む): 1947971200

約数和(自身を除く): 635149741

約数列:

[1, 3, 9, 27, 643, 1929, 5787, 17361, 75619, 226857, 680571, 2041713, 48623017, 145869051, 437607153, 1312821459]

約数ペア:

[(1, 1312821459), (3, 437607153), (9, 145869051), (27, 48623017), (643, 2041713), (1929, 680571), (5787, 226857), (17361, 75619)]