311947779

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{10853}}^1$

素因数の和:10947

約数の個数: 32

約数和(自身を含む): 495984384

約数和(自身を除く): 184036605

約数列:

[1, 3, 11, 13, 33, 39, 67, 143, 201, 429, 737, 871, 2211, 2613, 9581, 10853, 28743, 32559, 119383, 141089, 358149, 423267, 727151, 1551979, 2181453, 4655937, 7998661, 9452963, 23995983, 28358889, 103982593, 311947779]

約数ペア:

[(1, 311947779), (3, 103982593), (11, 28358889), (13, 23995983), (33, 9452963), (39, 7998661), (67, 4655937), (143, 2181453), (201, 1551979), (429, 727151), (737, 423267), (871, 358149), (2211, 141089), (2613, 119383), (9581, 32559), (10853, 28743)]