131355

素因数分解:

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

素因数の和:160

約数の個数: 32

約数和(自身を含む): 268800

約数和(自身を除く): 137445

約数列:

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

約数ペア:

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