149746989

素因数分解:

$3^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{5171}}^1$

素因数の和:5385

約数の個数: 24

約数和(自身を含む): 233484768

約数和(自身を除く): 83737779

約数列:

[1, 3, 7, 21, 49, 147, 197, 591, 1379, 4137, 5171, 9653, 15513, 28959, 36197, 108591, 253379, 760137, 1018687, 3056061, 7130809, 21392427, 49915663, 149746989]

約数ペア:

[(1, 149746989), (3, 49915663), (7, 21392427), (21, 7130809), (49, 3056061), (147, 1018687), (197, 760137), (591, 253379), (1379, 108591), (4137, 36197), (5171, 28959), (9653, 15513)]