19971171

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{6113}}^1$

素因数の和:6144

約数の個数: 24

約数和(自身を含む): 32526480

約数和(自身を除く): 12555309

約数列:

[1, 3, 9, 11, 27, 33, 99, 121, 297, 363, 1089, 3267, 6113, 18339, 55017, 67243, 165051, 201729, 605187, 739673, 1815561, 2219019, 6657057, 19971171]

約数ペア:

[(1, 19971171), (3, 6657057), (9, 2219019), (11, 1815561), (27, 739673), (33, 605187), (99, 201729), (121, 165051), (297, 67243), (363, 55017), (1089, 18339), (3267, 6113)]