2649206847

素因数分解:

$3^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{194981}}^1$

素因数の和:195638

約数の個数: 16

約数和(自身を含む): 4043146752

約数和(自身を除く): 1393939905

約数列:

[1, 3, 7, 21, 647, 1941, 4529, 13587, 194981, 584943, 1364867, 4094601, 126152707, 378458121, 883068949, 2649206847]

約数ペア:

[(1, 2649206847), (3, 883068949), (7, 378458121), (21, 126152707), (647, 4094601), (1941, 1364867), (4529, 584943), (13587, 194981)]