220199143221

素因数分解:

$3^4\times {\mathrm{1901}}^1\times {\mathrm{1430041}}^1$

素因数の和:1431954

約数の個数: 20

約数和(自身を含む): 329112725964

約数和(自身を除く): 108913582743

約数列:

[1, 3, 9, 27, 81, 1901, 5703, 17109, 51327, 153981, 1430041, 4290123, 12870369, 38611107, 115833321, 2718507941, 8155523823, 24466571469, 73399714407, 220199143221]

約数ペア:

[(1, 220199143221), (3, 73399714407), (9, 24466571469), (27, 8155523823), (81, 2718507941), (1901, 115833321), (5703, 38611107), (17109, 12870369), (51327, 4290123), (153981, 1430041)]