397459305

素因数分解:

$3^5\times 5^1\times {\mathrm{327127}}^1$

素因数の和:327147

約数の個数: 24

約数和(自身を含む): 714447552

約数和(自身を除く): 316988247

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 327127, 981381, 1635635, 2944143, 4906905, 8832429, 14720715, 26497287, 44162145, 79491861, 132486435, 397459305]

約数ペア:

[(1, 397459305), (3, 132486435), (5, 79491861), (9, 44162145), (15, 26497287), (27, 14720715), (45, 8832429), (81, 4906905), (135, 2944143), (243, 1635635), (405, 981381), (1215, 327127)]