155203419

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{10513}}^1$

素因数の和:10579

約数の個数: 32

約数和(自身を含む): 255700480

約数和(自身を除く): 100497061

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 2109, 4921, 10513, 14763, 31539, 73591, 199747, 220773, 388981, 599241, 1166943, 1398229, 2722867, 4194687, 7390639, 8168601, 22171917, 51734473, 155203419]

約数ペア:

[(1, 155203419), (3, 51734473), (7, 22171917), (19, 8168601), (21, 7390639), (37, 4194687), (57, 2722867), (111, 1398229), (133, 1166943), (259, 599241), (399, 388981), (703, 220773), (777, 199747), (2109, 73591), (4921, 31539), (10513, 14763)]