219824847

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:455

約数の個数: 56

約数和(自身を含む): 365149440

約数和(自身を除く): 145324593

約数列:

[1, 3, 9, 11, 27, 33, 79, 81, 99, 237, 243, 297, 347, 711, 729, 869, 891, 1041, 2133, 2607, 2673, 3123, 3817, 6399, 7821, 8019, 9369, 11451, 19197, 23463, 27413, 28107, 34353, 57591, 70389, 82239, 84321, 103059, 211167, 246717, 252963, 301543, 309177, 633501, 740151, 904629, 927531, 2220453, 2713887, 2782593, 6661359, 8141661, 19984077, 24424983, 73274949, 219824847]

約数ペア:

[(1, 219824847), (3, 73274949), (9, 24424983), (11, 19984077), (27, 8141661), (33, 6661359), (79, 2782593), (81, 2713887), (99, 2220453), (237, 927531), (243, 904629), (297, 740151), (347, 633501), (711, 309177), (729, 301543), (869, 252963), (891, 246717), (1041, 211167), (2133, 103059), (2607, 84321), (2673, 82239), (3123, 70389), (3817, 57591), (6399, 34353), (7821, 28107), (8019, 27413), (9369, 23463), (11451, 19197)]