397384461

素因数分解:

$3^7\times {\mathrm{109}}^1\times {\mathrm{1667}}^1$

素因数の和:1797

約数の個数: 32

約数和(自身を含む): 601814400

約数和(自身を除く): 204429939

約数列:

[1, 3, 9, 27, 81, 109, 243, 327, 729, 981, 1667, 2187, 2943, 5001, 8829, 15003, 26487, 45009, 79461, 135027, 181703, 238383, 405081, 545109, 1215243, 1635327, 3645729, 4905981, 14717943, 44153829, 132461487, 397384461]

約数ペア:

[(1, 397384461), (3, 132461487), (9, 44153829), (27, 14717943), (81, 4905981), (109, 3645729), (243, 1635327), (327, 1215243), (729, 545109), (981, 405081), (1667, 238383), (2187, 181703), (2943, 135027), (5001, 79461), (8829, 45009), (15003, 26487)]