140804973

素因数分解:

$3^4\times {\mathrm{241}}^1\times {\mathrm{7213}}^1$

素因数の和:7466

約数の個数: 20

約数和(自身を含む): 211240348

約数和(自身を除く): 70435375

約数列:

[1, 3, 9, 27, 81, 241, 723, 2169, 6507, 7213, 19521, 21639, 64917, 194751, 584253, 1738333, 5214999, 15644997, 46934991, 140804973]

約数ペア:

[(1, 140804973), (3, 46934991), (9, 15644997), (27, 5214999), (81, 1738333), (241, 584253), (723, 194751), (2169, 64917), (6507, 21639), (7213, 19521)]