1640343885

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1540229}}^1$

素因数の和:1540308

約数の個数: 16

約数和(自身を含む): 2661517440

約数和(自身を除く): 1021173555

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 1540229, 4620687, 7701145, 23103435, 109356259, 328068777, 546781295, 1640343885]

約数ペア:

[(1, 1640343885), (3, 546781295), (5, 328068777), (15, 109356259), (71, 23103435), (213, 7701145), (355, 4620687), (1065, 1540229)]