206172009

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{283}}^1\times {\mathrm{1327}}^1$

素因数の和:1677

約数の個数: 24

約数和(自身を含む): 303984512

約数和(自身を除く): 97812503

約数列:

[1, 3, 9, 61, 183, 283, 549, 849, 1327, 2547, 3981, 11943, 17263, 51789, 80947, 155367, 242841, 375541, 728523, 1126623, 3379869, 22908001, 68724003, 206172009]

約数ペア:

[(1, 206172009), (3, 68724003), (9, 22908001), (61, 3379869), (183, 1126623), (283, 728523), (549, 375541), (849, 242841), (1327, 155367), (2547, 80947), (3981, 51789), (11943, 17263)]