221523729

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{199033}}^1$

素因数の和:199096

約数の個数: 16

約数和(自身を含む): 343930752

約数和(自身を除く): 122407023

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 199033, 597099, 1393231, 4179693, 10548749, 31646247, 73841243, 221523729]

約数ペア:

[(1, 221523729), (3, 73841243), (7, 31646247), (21, 10548749), (53, 4179693), (159, 1393231), (371, 597099), (1113, 199033)]