219384543

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1\times {\mathrm{449}}^1$

素因数の和:951

約数の個数: 32

約数和(自身を含む): 342144000

約数和(自身を除く): 122759457

約数列:

[1, 3, 7, 21, 53, 159, 371, 439, 449, 1113, 1317, 1347, 3073, 3143, 9219, 9429, 23267, 23797, 69801, 71391, 162869, 166579, 197111, 488607, 499737, 591333, 1379777, 4139331, 10446883, 31340649, 73128181, 219384543]

約数ペア:

[(1, 219384543), (3, 73128181), (7, 31340649), (21, 10446883), (53, 4139331), (159, 1379777), (371, 591333), (439, 499737), (449, 488607), (1113, 197111), (1317, 166579), (1347, 162869), (3073, 71391), (3143, 69801), (9219, 23797), (9429, 23267)]