219809121

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{70249}}^1$

素因数の和:70408

約数の個数: 16

約数和(自身を含む): 337200000

約数和(自身を除く): 117390879

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 70249, 210747, 491743, 1475229, 10467101, 31401303, 73269707, 219809121]

約数ペア:

[(1, 219809121), (3, 73269707), (7, 31401303), (21, 10467101), (149, 1475229), (447, 491743), (1043, 210747), (3129, 70249)]