81222903

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{751}}^1$

素因数の和:1015

約数の個数: 24

約数和(自身を含む): 120010176

約数和(自身を除く): 38787273

約数列:

[1, 3, 9, 61, 183, 197, 549, 591, 751, 1773, 2253, 6759, 12017, 36051, 45811, 108153, 137433, 147947, 412299, 443841, 1331523, 9024767, 27074301, 81222903]

約数ペア:

[(1, 81222903), (3, 27074301), (9, 9024767), (61, 1331523), (183, 443841), (197, 412299), (549, 147947), (591, 137433), (751, 108153), (1773, 45811), (2253, 36051), (6759, 12017)]