206653725

素因数分解:

$3^2\times 5^2\times {\mathrm{431}}^1\times {\mathrm{2131}}^1$

素因数の和:2578

約数の個数: 36

約数和(自身を含む): 371172672

約数和(自身を除く): 164518947

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 431, 1293, 2131, 2155, 3879, 6393, 6465, 10655, 10775, 19179, 19395, 31965, 32325, 53275, 95895, 96975, 159825, 479475, 918461, 2755383, 4592305, 8266149, 13776915, 22961525, 41330745, 68884575, 206653725]

約数ペア:

[(1, 206653725), (3, 68884575), (5, 41330745), (9, 22961525), (15, 13776915), (25, 8266149), (45, 4592305), (75, 2755383), (225, 918461), (431, 479475), (1293, 159825), (2131, 96975), (2155, 95895), (3879, 53275), (6393, 32325), (6465, 31965), (10655, 19395), (10775, 19179)]