407295

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{431}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 829440

約数和(自身を除く): 422145

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 431, 945, 1293, 2155, 3017, 3879, 6465, 9051, 11637, 15085, 19395, 27153, 45255, 58185, 81459, 135765, 407295]

約数ペア:

[(1, 407295), (3, 135765), (5, 81459), (7, 58185), (9, 45255), (15, 27153), (21, 19395), (27, 15085), (35, 11637), (45, 9051), (63, 6465), (105, 3879), (135, 3017), (189, 2155), (315, 1293), (431, 945)]