253889601

素因数分解:

$3^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{28051}}^1$

素因数の和:28492

約数の個数: 16

約数和(自身を含む): 387790848

約数和(自身を除く): 133901247

約数列:

[1, 3, 7, 21, 431, 1293, 3017, 9051, 28051, 84153, 196357, 589071, 12089981, 36269943, 84629867, 253889601]

約数ペア:

[(1, 253889601), (3, 84629867), (7, 36269943), (21, 12089981), (431, 589071), (1293, 196357), (3017, 84153), (9051, 28051)]