642051243

素因数分解:

$3^2\times {\mathrm{101}}^1\times {\mathrm{571}}^1\times {\mathrm{1237}}^1$

素因数の和:1915

約数の個数: 24

約数和(自身を含む): 938988336

約数和(自身を除く): 296937093

約数列:

[1, 3, 9, 101, 303, 571, 909, 1237, 1713, 3711, 5139, 11133, 57671, 124937, 173013, 374811, 519039, 706327, 1124433, 2118981, 6356943, 71339027, 214017081, 642051243]

約数ペア:

[(1, 642051243), (3, 214017081), (9, 71339027), (101, 6356943), (303, 2118981), (571, 1124433), (909, 706327), (1237, 519039), (1713, 374811), (3711, 173013), (5139, 124937), (11133, 57671)]