213565725

素因数分解:

$3^2\times 5^2\times {\mathrm{937}}^1\times {\mathrm{1013}}^1$

素因数の和:1966

約数の個数: 36

約数和(自身を含む): 383306196

約数和(自身を除く): 169740471

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 937, 1013, 2811, 3039, 4685, 5065, 8433, 9117, 14055, 15195, 23425, 25325, 42165, 45585, 70275, 75975, 210825, 227925, 949181, 2847543, 4745905, 8542629, 14237715, 23729525, 42713145, 71188575, 213565725]

約数ペア:

[(1, 213565725), (3, 71188575), (5, 42713145), (9, 23729525), (15, 14237715), (25, 8542629), (45, 4745905), (75, 2847543), (225, 949181), (937, 227925), (1013, 210825), (2811, 75975), (3039, 70275), (4685, 45585), (5065, 42165), (8433, 25325), (9117, 23425), (14055, 15195)]