438874443

素因数分解:

$3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{12689}}^1$

素因数の和:12769

約数の個数: 40

約数和(自身を含む): 761603040

約数和(自身を除く): 322728597

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 427, 549, 567, 1281, 1647, 3843, 4941, 11529, 12689, 34587, 38067, 88823, 114201, 266469, 342603, 774029, 799407, 1027809, 2322087, 2398221, 5418203, 6966261, 7194663, 16254609, 20898783, 48763827, 62696349, 146291481, 438874443]

約数ペア:

[(1, 438874443), (3, 146291481), (7, 62696349), (9, 48763827), (21, 20898783), (27, 16254609), (61, 7194663), (63, 6966261), (81, 5418203), (183, 2398221), (189, 2322087), (427, 1027809), (549, 799407), (567, 774029), (1281, 342603), (1647, 266469), (3843, 114201), (4941, 88823), (11529, 38067), (12689, 34587)]