890607315

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{64327}}^1$

素因数の和:64419

約数の個数: 32

約数和(自身を含む): 1556222976

約数和(自身を除く): 665615661

約数列:

[1, 3, 5, 13, 15, 39, 65, 71, 195, 213, 355, 923, 1065, 2769, 4615, 13845, 64327, 192981, 321635, 836251, 964905, 2508753, 4181255, 4567217, 12543765, 13701651, 22836085, 59373821, 68508255, 178121463, 296869105, 890607315]

約数ペア:

[(1, 890607315), (3, 296869105), (5, 178121463), (13, 68508255), (15, 59373821), (39, 22836085), (65, 13701651), (71, 12543765), (195, 4567217), (213, 4181255), (355, 2508753), (923, 964905), (1065, 836251), (2769, 321635), (4615, 192981), (13845, 64327)]