2657985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:289

約数の個数: 32

約数和(自身を含む): 4717440

約数和(自身を除く): 2059455

約数列:

[1, 3, 5, 11, 15, 33, 55, 89, 165, 181, 267, 445, 543, 905, 979, 1335, 1991, 2715, 2937, 4895, 5973, 9955, 14685, 16109, 29865, 48327, 80545, 177199, 241635, 531597, 885995, 2657985]

約数ペア:

[(1, 2657985), (3, 885995), (5, 531597), (11, 241635), (15, 177199), (33, 80545), (55, 48327), (89, 29865), (165, 16109), (181, 14685), (267, 9955), (445, 5973), (543, 4895), (905, 2937), (979, 2715), (1335, 1991)]