81018465

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{1867}}^1$

素因数の和:2149

約数の個数: 32

約数和(自身を含む): 142027776

約数和(自身を除く): 61009311

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 263, 789, 1315, 1867, 2893, 3945, 5601, 8679, 9335, 14465, 20537, 28005, 43395, 61611, 102685, 308055, 491021, 1473063, 2455105, 5401231, 7365315, 16203693, 27006155, 81018465]

約数ペア:

[(1, 81018465), (3, 27006155), (5, 16203693), (11, 7365315), (15, 5401231), (33, 2455105), (55, 1473063), (165, 491021), (263, 308055), (789, 102685), (1315, 61611), (1867, 43395), (2893, 28005), (3945, 20537), (5601, 14465), (8679, 9335)]