51374841

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{389}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 82867200

約数和(自身を除く): 31492359

約数列:

[1, 3, 7, 19, 21, 57, 133, 331, 389, 399, 993, 1167, 2317, 2723, 6289, 6951, 7391, 8169, 18867, 22173, 44023, 51737, 128759, 132069, 155211, 386277, 901313, 2446421, 2703939, 7339263, 17124947, 51374841]

約数ペア:

[(1, 51374841), (3, 17124947), (7, 7339263), (19, 2703939), (21, 2446421), (57, 901313), (133, 386277), (331, 155211), (389, 132069), (399, 128759), (993, 51737), (1167, 44023), (2317, 22173), (2723, 18867), (6289, 8169), (6951, 7391)]