20121294015

素因数分解:

$3^2\times 5^1\times {\mathrm{447139867}}^1$

素因数の和:447139878

約数の個数: 12

約数和(自身を含む): 34876909704

約数和(自身を除く): 14755615689

約数列:

[1, 3, 5, 9, 15, 45, 447139867, 1341419601, 2235699335, 4024258803, 6707098005, 20121294015]

約数ペア:

[(1, 20121294015), (3, 6707098005), (5, 4024258803), (9, 2235699335), (15, 1341419601), (45, 447139867)]