20121053985

素因数分解:

$3^2\times 5^1\times {\mathrm{447134533}}^1$

素因数の和:447134544

約数の個数: 12

約数和(自身を含む): 34876493652

約数和(自身を除く): 14755439667

約数列:

[1, 3, 5, 9, 15, 45, 447134533, 1341403599, 2235672665, 4024210797, 6707017995, 20121053985]

約数ペア:

[(1, 20121053985), (3, 6707017995), (5, 4024210797), (9, 2235672665), (15, 1341403599), (45, 447134533)]