199975293

素因数分解:

$3^2\times 7^1\times {\mathrm{241}}^1\times {\mathrm{13171}}^1$

素因数の和:13425

約数の個数: 24

約数和(自身を含む): 331512896

約数和(自身を除く): 131537603

約数列:

[1, 3, 7, 9, 21, 63, 241, 723, 1687, 2169, 5061, 13171, 15183, 39513, 92197, 118539, 276591, 829773, 3174211, 9522633, 22219477, 28567899, 66658431, 199975293]

約数ペア:

[(1, 199975293), (3, 66658431), (7, 28567899), (9, 22219477), (21, 9522633), (63, 3174211), (241, 829773), (723, 276591), (1687, 118539), (2169, 92197), (5061, 39513), (13171, 15183)]