289668819

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{4021}}^1$

素因数の和:4131

約数の個数: 32

約数和(自身を含む): 440167680

約数和(自身を除く): 150498861

約数列:

[1, 3, 11, 33, 37, 59, 111, 177, 407, 649, 1221, 1947, 2183, 4021, 6549, 12063, 24013, 44231, 72039, 132693, 148777, 237239, 446331, 711717, 1636547, 2609629, 4909641, 7828887, 8777843, 26333529, 96556273, 289668819]

約数ペア:

[(1, 289668819), (3, 96556273), (11, 26333529), (33, 8777843), (37, 7828887), (59, 4909641), (111, 2609629), (177, 1636547), (407, 711717), (649, 446331), (1221, 237239), (1947, 148777), (2183, 132693), (4021, 72039), (6549, 44231), (12063, 24013)]