331489431

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{3187}}^1$

素因数の和:3340

約数の個数: 48

約数和(自身を含む): 594141184

約数和(自身を除く): 262651753

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 127, 273, 381, 819, 889, 1143, 1651, 2667, 3187, 4953, 8001, 9561, 11557, 14859, 22309, 28683, 34671, 41431, 66927, 104013, 124293, 200781, 290017, 372879, 404749, 870051, 1214247, 2610153, 2833243, 3642741, 5261737, 8499729, 15785211, 25499187, 36832159, 47355633, 110496477, 331489431]

約数ペア:

[(1, 331489431), (3, 110496477), (7, 47355633), (9, 36832159), (13, 25499187), (21, 15785211), (39, 8499729), (63, 5261737), (91, 3642741), (117, 2833243), (127, 2610153), (273, 1214247), (381, 870051), (819, 404749), (889, 372879), (1143, 290017), (1651, 200781), (2667, 124293), (3187, 104013), (4953, 66927), (8001, 41431), (9561, 34671), (11557, 28683), (14859, 22309)]