189968457

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{3617}}^1$

素因数の和:3729

約数の個数: 32

約数和(自身を含む): 301480704

約数和(自身を除く): 111512247

約数列:

[1, 3, 7, 21, 41, 61, 123, 183, 287, 427, 861, 1281, 2501, 3617, 7503, 10851, 17507, 25319, 52521, 75957, 148297, 220637, 444891, 661911, 1038079, 1544459, 3114237, 4633377, 9046117, 27138351, 63322819, 189968457]

約数ペア:

[(1, 189968457), (3, 63322819), (7, 27138351), (21, 9046117), (41, 4633377), (61, 3114237), (123, 1544459), (183, 1038079), (287, 661911), (427, 444891), (861, 220637), (1281, 148297), (2501, 75957), (3617, 52521), (7503, 25319), (10851, 17507)]