349888977

素因数分解:

$3^4\times {\mathrm{617}}^1\times {\mathrm{7001}}^1$

素因数の和:7630

約数の個数: 20

約数和(自身を含む): 523595556

約数和(自身を除く): 173706579

約数列:

[1, 3, 9, 27, 81, 617, 1851, 5553, 7001, 16659, 21003, 49977, 63009, 189027, 567081, 4319617, 12958851, 38876553, 116629659, 349888977]

約数ペア:

[(1, 349888977), (3, 116629659), (9, 38876553), (27, 12958851), (81, 4319617), (617, 567081), (1851, 189027), (5553, 63009), (7001, 49977), (16659, 21003)]