399191445

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{1091}}^1$

素因数の和:1322

約数の個数: 48

約数和(自身を含む): 711389952

約数和(自身を除く): 312198507

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 173, 235, 423, 519, 705, 865, 1091, 1557, 2115, 2595, 3273, 5455, 7785, 8131, 9819, 16365, 24393, 40655, 49095, 51277, 73179, 121965, 153831, 188743, 256385, 365895, 461493, 566229, 769155, 943715, 1698687, 2307465, 2831145, 8493435, 8870921, 26612763, 44354605, 79838289, 133063815, 399191445]

約数ペア:

[(1, 399191445), (3, 133063815), (5, 79838289), (9, 44354605), (15, 26612763), (45, 8870921), (47, 8493435), (141, 2831145), (173, 2307465), (235, 1698687), (423, 943715), (519, 769155), (705, 566229), (865, 461493), (1091, 365895), (1557, 256385), (2115, 188743), (2595, 153831), (3273, 121965), (5455, 73179), (7785, 51277), (8131, 49095), (9819, 40655), (16365, 24393)]