1989589251

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1\times {\mathrm{1109}}^1$

素因数の和:1575

約数の個数: 32

約数和(自身を含む): 2887456320

約数和(自身を除く): 897867069

約数列:

[1, 3, 13, 39, 157, 293, 471, 879, 1109, 2041, 3327, 3809, 6123, 11427, 14417, 43251, 46001, 138003, 174113, 324937, 522339, 598013, 974811, 1794039, 2263469, 4224181, 6790407, 12672543, 51015109, 153045327, 663196417, 1989589251]

約数ペア:

[(1, 1989589251), (3, 663196417), (13, 153045327), (39, 51015109), (157, 12672543), (293, 6790407), (471, 4224181), (879, 2263469), (1109, 1794039), (2041, 974811), (3327, 598013), (3809, 522339), (6123, 324937), (11427, 174113), (14417, 138003), (43251, 46001)]