402165

素因数分解:

$3^5\times 5^1\times {\mathrm{331}}^1$

素因数の和:351

約数の個数: 24

約数和(自身を含む): 725088

約数和(自身を除く): 322923

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 331, 405, 993, 1215, 1655, 2979, 4965, 8937, 14895, 26811, 44685, 80433, 134055, 402165]

約数ペア:

[(1, 402165), (3, 134055), (5, 80433), (9, 44685), (15, 26811), (27, 14895), (45, 8937), (81, 4965), (135, 2979), (243, 1655), (331, 1215), (405, 993)]