211322709

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{7621}}^1$

素因数の和:7722

約数の個数: 32

約数和(自身を含む): 341465600

約数和(自身を除く): 130142891

約数列:

[1, 3, 9, 13, 27, 39, 79, 117, 237, 351, 711, 1027, 2133, 3081, 7621, 9243, 22863, 27729, 68589, 99073, 205767, 297219, 602059, 891657, 1806177, 2674971, 5418531, 7826767, 16255593, 23480301, 70440903, 211322709]

約数ペア:

[(1, 211322709), (3, 70440903), (9, 23480301), (13, 16255593), (27, 7826767), (39, 5418531), (79, 2674971), (117, 1806177), (237, 891657), (351, 602059), (711, 297219), (1027, 205767), (2133, 99073), (3081, 68589), (7621, 27729), (9243, 22863)]