394065

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{139}}^1$

素因数の和:163

約数の個数: 40

約数和(自身を含む): 813120

約数和(自身を除く): 419055

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 139, 189, 315, 405, 417, 567, 695, 945, 973, 1251, 2085, 2835, 2919, 3753, 4865, 6255, 8757, 11259, 14595, 18765, 26271, 43785, 56295, 78813, 131355, 394065]

約数ペア:

[(1, 394065), (3, 131355), (5, 78813), (7, 56295), (9, 43785), (15, 26271), (21, 18765), (27, 14595), (35, 11259), (45, 8757), (63, 6255), (81, 4865), (105, 3753), (135, 2919), (139, 2835), (189, 2085), (315, 1251), (405, 973), (417, 945), (567, 695)]