172357419

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{401}}^1$

素因数の和:627

約数の個数: 32

約数和(自身を含む): 252854784

約数和(自身を除く): 80497365

約数列:

[1, 3, 13, 39, 103, 107, 309, 321, 401, 1203, 1339, 1391, 4017, 4173, 5213, 11021, 15639, 33063, 41303, 42907, 123909, 128721, 143273, 429819, 536939, 557791, 1610817, 1673373, 4419421, 13258263, 57452473, 172357419]

約数ペア:

[(1, 172357419), (3, 57452473), (13, 13258263), (39, 4419421), (103, 1673373), (107, 1610817), (309, 557791), (321, 536939), (401, 429819), (1203, 143273), (1339, 128721), (1391, 123909), (4017, 42907), (4173, 41303), (5213, 33063), (11021, 15639)]