38720721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{7247}}^1$

素因数の和:7400

約数の個数: 16

約数和(自身を含む): 56012544

約数和(自身を除く): 17291823

約数列:

[1, 3, 13, 39, 137, 411, 1781, 5343, 7247, 21741, 94211, 282633, 992839, 2978517, 12906907, 38720721]

約数ペア:

[(1, 38720721), (3, 12906907), (13, 2978517), (39, 992839), (137, 282633), (411, 94211), (1781, 21741), (5343, 7247)]