204590547

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{863}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 349360128

約数和(自身を除く): 144769581

約数列:

[1, 3, 7, 9, 21, 53, 63, 71, 159, 213, 371, 477, 497, 639, 863, 1113, 1491, 2589, 3339, 3763, 4473, 6041, 7767, 11289, 18123, 26341, 33867, 45739, 54369, 61273, 79023, 137217, 183819, 237069, 320173, 411651, 428911, 551457, 960519, 1286733, 2881557, 3247469, 3860199, 9742407, 22732283, 29227221, 68196849, 204590547]

約数ペア:

[(1, 204590547), (3, 68196849), (7, 29227221), (9, 22732283), (21, 9742407), (53, 3860199), (63, 3247469), (71, 2881557), (159, 1286733), (213, 960519), (371, 551457), (477, 428911), (497, 411651), (639, 320173), (863, 237069), (1113, 183819), (1491, 137217), (2589, 79023), (3339, 61273), (3763, 54369), (4473, 45739), (6041, 33867), (7767, 26341), (11289, 18123)]