205017525

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{19387}}^1$

素因数の和:19450

約数の個数: 36

約数和(自身を含む): 375041472

約数和(自身を除く): 170023947

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 75, 141, 225, 235, 423, 705, 1175, 2115, 3525, 10575, 19387, 58161, 96935, 174483, 290805, 484675, 872415, 911189, 1454025, 2733567, 4362075, 4555945, 8200701, 13667835, 22779725, 41003505, 68339175, 205017525]

約数ペア:

[(1, 205017525), (3, 68339175), (5, 41003505), (9, 22779725), (15, 13667835), (25, 8200701), (45, 4555945), (47, 4362075), (75, 2733567), (141, 1454025), (225, 911189), (235, 872415), (423, 484675), (705, 290805), (1175, 174483), (2115, 96935), (3525, 58161), (10575, 19387)]