164418639

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{19237}}^1$

素因数の和:19295

約数の個数: 32

約数和(自身を含む): 280720896

約数和(自身を除く): 116302257

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 231, 259, 407, 777, 1221, 2849, 8547, 19237, 57711, 134659, 211607, 403977, 634821, 711769, 1481249, 2135307, 4443747, 4982383, 7829459, 14947149, 23488377, 54806213, 164418639]

約数ペア:

[(1, 164418639), (3, 54806213), (7, 23488377), (11, 14947149), (21, 7829459), (33, 4982383), (37, 4443747), (77, 2135307), (111, 1481249), (231, 711769), (259, 634821), (407, 403977), (777, 211607), (1221, 134659), (2849, 57711), (8547, 19237)]