396688131

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{44657}}^1$

素因数の和:44720

約数の個数: 32

約数和(自身を含む): 685946880

約数和(自身を除く): 289258749

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2961, 8883, 44657, 133971, 312599, 401913, 937797, 1205739, 2098879, 2813391, 6296637, 8440173, 14692153, 18889911, 44076459, 56669733, 132229377, 396688131]

約数ペア:

[(1, 396688131), (3, 132229377), (7, 56669733), (9, 44076459), (21, 18889911), (27, 14692153), (47, 8440173), (63, 6296637), (141, 2813391), (189, 2098879), (329, 1205739), (423, 937797), (987, 401913), (1269, 312599), (2961, 133971), (8883, 44657)]